Study sets matching "meiosis biology 2"

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Biology 10.2 Meiosis
chromosome
sister chromatids
Diploid cell
Haploid cell
A threadlike, gene-carrying structure found in the nucleus. E…
Replicated forms of a chromosome joined together by the centr…
A cell containing two sets of chromosomes (2n), one set inher…
A cell that has only one representative of each chromosome pa…
chromosome
A threadlike, gene-carrying structure found in the nucleus. E…
sister chromatids
Replicated forms of a chromosome joined together by the centr…
47 terms
Biology Semester 2-Meiosis
Homologous Chromosomes
Tetrads
Locus definition... Where is the locus on…
How many pairs of homologues in humans?
Pair of chromosomes (maternal and paternal) that are similar…
Homologous pairs that carry genes controlling the same traits
Position of a gene.... In the same position
23
Homologous Chromosomes
Pair of chromosomes (maternal and paternal) that are similar…
Tetrads
Homologous pairs that carry genes controlling the same traits
Biology Semester 2: Meiosis
What is the difference between Body Ce…
What are homologous pairs?
What is a haploid?
What is a diploid?
Body Cells are homologous pairs whiles sex cells are one set…
The two copies of each chromosome that are the same size, sam…
Cells with one set of chromosomes (no homologous pairs) Sex c…
Cells with two sets of chromosomes which are homologous pairs…
What is the difference between Body Ce…
Body Cells are homologous pairs whiles sex cells are one set…
What are homologous pairs?
The two copies of each chromosome that are the same size, sam…
28 terms
Biology 2.2 Meiosis
Gametocyctes
Meiosis creates how many daughter cells?
Meiosis and Mitosis both...
Meiosis: How many rounds of replicatio…
Germ cells
4
Genetic material is duplicated... Chromatin is condensed to form…
One of replication... 2 division
Gametocyctes
Germ cells
Meiosis creates how many daughter cells?
4
biology meiosis 2
crossing over
1
together
pole
occurs in prophase 1
each cell contains___of the 2 homologous chromosomes in telop…
homologous chromosomes stay___
in telophase 1 chromosomes gather at each___
crossing over
occurs in prophase 1
1
each cell contains___of the 2 homologous chromosomes in telop…
9 terms
Meiosis Biology 2
Crossing Over
Diploid
Haploid
Fertilization
the exchange of genetic material between homologous chromosom…
a cell containing two sets of chromosomes
a cell containing a single set of chromosomes
the combining of sperm and the egg to form a zygote
Crossing Over
the exchange of genetic material between homologous chromosom…
Diploid
a cell containing two sets of chromosomes
18 terms
Biology 10.2 Meiosis
chromosome
sister chromatids
diploid cell
haploid cell
A single piece of coiled DNA and associated proteins found in…
Formed when a chromosome makes a copy of itself, linked by th…
A cell containing two sets of chromosomes (2n), one set inher…
A cell containing only one set of chromosomes (n).
chromosome
A single piece of coiled DNA and associated proteins found in…
sister chromatids
Formed when a chromosome makes a copy of itself, linked by th…
BIOLOGY - phases of meiosis (meiosis 1 and 2)
MEIOSIS 1 : Interphase 1 : what happens?
Prophase 1 : Part 1 :
Prophase 1 : Part Tetrad :
Prophase 1 : Part Crossing over :
The cell replicates its chromosomes and centrioles replicate.…
the chromosomes coil up, spindles form, nuclear envelope brea…
The chromatids in a tetrad pair tightly, so tightly that non-…
Crossing over can occur at any location on a chromosome, and…
MEIOSIS 1 : Interphase 1 : what happens?
The cell replicates its chromosomes and centrioles replicate.…
Prophase 1 : Part 1 :
the chromosomes coil up, spindles form, nuclear envelope brea…
MEIOSIS (NCEA Biology 2.5)
Interphase
Prophase I
Metaphase I
Anaphase I
During s phase the DNA is replicated forming 2 chromatids.
Chromosomes have shortened and thickened, becoming clearly vi…
Chromosomes are arranged at the equator of the cell in homolo…
Homologous pairs separate and the cell membrane begins to clo…
Interphase
During s phase the DNA is replicated forming 2 chromatids.
Prophase I
Chromosomes have shortened and thickened, becoming clearly vi…
Biology 2 Mitosis & Meiosis
Independent assortment of chromosomes…
The centromere is a region in which
What is a cleavage furrow?
If the cell whose nuclear material is…
the random and independent way in which each pair of homologo…
chromatids remain attached to one another until anaphase
a groove in the plasma membrane between daughter nuclei
formation of telophase nuclei
Independent assortment of chromosomes…
the random and independent way in which each pair of homologo…
The centromere is a region in which
chromatids remain attached to one another until anaphase
14 terms
Biology - Meiosis (2.6)
Haploid
Homologous chromosomes
Meiosis
What does sexual reproduction do for v…
Only has one set of chromosomes, represented by the symbol 'n'.
Matching chromosomes, containing the same places (loci). They…
Type of nuclear division that results in the formation of cel…
Increases the genetic variation as it involves combining the…
Haploid
Only has one set of chromosomes, represented by the symbol 'n'.
Homologous chromosomes
Matching chromosomes, containing the same places (loci). They…
Biology meiosis 2 review
prophase 2
metaphase 2
Anaphase 2
telophase 2
spindle fibers are born
chromosomes line up single filed in the middle of the cell
chromatids are separated by being moved to opposite poles
nuclear membrane forms
prophase 2
spindle fibers are born
metaphase 2
chromosomes line up single filed in the middle of the cell
19 terms
Biology E2 meiosis/cancer
In meiosis, the nucleus
Meiosis allows for
Interphase similar to
Prophase I
divides to form 4 daughter nuclei
differences in inherited characteristics.
mitosis. ... chromosomes are replicated → chromatids ... subseque…
Chromatids pair-up with their homologues
In meiosis, the nucleus
divides to form 4 daughter nuclei
Meiosis allows for
differences in inherited characteristics.
Biology 6.2 (Meiosis)
Prophase 1
Metaphase 1
Anaphase 1
Telophase 1
Nuclear Membrane breaks down, centrosomes and centrioles begi…
Spindle fibers align the homologous chromosomes along the equ…
The paired homologous chromosomes seperate and move towards o…
Spindle Fibers Disassemble and the cell undergoes cytoknesis…
Prophase 1
Nuclear Membrane breaks down, centrosomes and centrioles begi…
Metaphase 1
Spindle fibers align the homologous chromosomes along the equ…
17 terms
Biology Tri 2 -- Meiosis
haploid
diploid
somatic cells
gametes
an organism or cell having only one complete set of chromosomes
an organism or cell having two sets of chromosomes or twice t…
body cells
Sex cells
haploid
an organism or cell having only one complete set of chromosomes
diploid
an organism or cell having two sets of chromosomes or twice t…
11 terms
Biology Meiosis 1&2
Meiosis 1
Interphase 1
Prophase 1
Metaphase 1
1. Interphase 1... 2. Prophase 1... 3. Metaphase 1... 4. Telophase 1 &…
Cells undergo a round of DNA replication, forming duplicate c…
Each chromosome pairs with its corresponding homologous chrom…
Spindle fibers attach to the chromosomes
Meiosis 1
1. Interphase 1... 2. Prophase 1... 3. Metaphase 1... 4. Telophase 1 &…
Interphase 1
Cells undergo a round of DNA replication, forming duplicate c…
Biology: Meiosis & Genetics (2)
Your cells (any living thing's cells)
Genes
Contains 46 chromosomes
EACH CELL'S CHROMOSOMES
Contain DNA in the form of chromatin/chromosomes.
Chromosome are "divided" into sections.
In a "normal" human, each cell (skin cell, muscle cell, nervo…
ARE EXACTLY THE SAME
Your cells (any living thing's cells)
Contain DNA in the form of chromatin/chromosomes.
Genes
Chromosome are "divided" into sections.
Biology Final 2: Meiosis
What are homologous chromosomes and ho…
What are the products of meiosis?
Male gamete
Female gamete
one of a matching pair of chromosomes, one inherited from eac…
4 different haploid cells
sperm
egg
What are homologous chromosomes and ho…
one of a matching pair of chromosomes, one inherited from eac…
What are the products of meiosis?
4 different haploid cells
Biology 2: Mitosis and Meiosis
Diploid
Mitosis
Cell division
Large
Normal human body cells have 46 chromosomes this means these…
When new cells are made they're copied in an exact process ca…
Mitosis is a type of ____ _______ used for growth, repair and…
Constant cell division ensures that cells never become too __…
Diploid
Normal human body cells have 46 chromosomes this means these…
Mitosis
When new cells are made they're copied in an exact process ca…
21 terms
Biology 2 Mitosis and Meiosis
diploid
haploid
meiosis
tetrad
a cell that contains both sets of homologous chromosomes
a cell that contains only a single set of chromosomes and the…
the number of chromosomes per cell is cut in half through sep…
structure containing 4 chromatids that forms during meiosis
diploid
a cell that contains both sets of homologous chromosomes
haploid
a cell that contains only a single set of chromosomes and the…
9 terms
BIOLOGY MEIOSIS PT 2
SYNAPIS
MEOSIS
HOMOLOGOUS
HAPLOID
the fusion of chromosome pairs at the start of meiosis
the sexual life cycle in animals
one of two paired chromosomes, one from each parent
a cell with n chromosomes
SYNAPIS
the fusion of chromosome pairs at the start of meiosis
MEOSIS
the sexual life cycle in animals
20 terms
Biology part 2: Meiosis
meiosis
meiosis =
phases of meiosis
prophase I
two nuclear divisions that produce four NON-IDENTICAL, haploi…
meiosis I and II, forms gametes/sex cells, occurs in reproduc…
must always write Roman numerals for phases of meiosis
1. Nuclear env./nucleolus disappear, 2. Centrioles and spindl…
meiosis
two nuclear divisions that produce four NON-IDENTICAL, haploi…
meiosis =
meiosis I and II, forms gametes/sex cells, occurs in reproduc…
27 terms
Biology- Section 2 Meiosis
meiosis (reduction division)
what is meiosis also known as?
haploid
what are similarities between MITOSIS…
form of cell division that makes gamete cells (sperm and egg)…
reduction division
ONE set of chromosomes- combine to make diploid cells
they both....... -go through PMAT... -produces cells- forms of -cel…
meiosis (reduction division)
form of cell division that makes gamete cells (sperm and egg)…
what is meiosis also known as?
reduction division
34 terms
MCAT Biology (2.2 Meiosis)
locus
46
23
homologs
The specific position along the length of a chromosome that a…
How many chromosomes does a human somatic cell have?
How many chromosomes does a human germ cell have?
Members of each diploid pair- one from each parent; similar i…
locus
The specific position along the length of a chromosome that a…
46
How many chromosomes does a human somatic cell have?
19 terms
Biology Meiosis
Prophase I
Metaphase I
Anaphase I
Telophase I
Each chromosome comes near its replicated chromosome pair. Nu…
The pairs of homologous chromosomes line up in the center of…
Homologous chromosomes are pulled to opposite ends of the cel…
The cytoplasm divides and two new cells form. Each new cell h…
Prophase I
Each chromosome comes near its replicated chromosome pair. Nu…
Metaphase I
The pairs of homologous chromosomes line up in the center of…
10 terms
Biology Unit 2- Meiosis
Mitosis
Meiosis
somatic cell
gamete
the division of a cell to produce two genetically identical n…
is used when one cell needs to create cells with half the num…
body cells - make up most of your body tissues and organs. Th…
sex cells - ova or eggs, in the female, and spermatozoa or sp…
Mitosis
the division of a cell to produce two genetically identical n…
Meiosis
is used when one cell needs to create cells with half the num…
Biology quiz meiosis #2
Metaphase 1
Anaphase 1
Telophase 1
Prophase 2
Homologous pairs line up as tetrads in the middle
Spindle fibers pull the homologous chromosomes to opposite en…
Nucleus reforms, spindle breaks down followed by cytokinesis
Nuclei break down, spindle reformed, chromosomes formed
Metaphase 1
Homologous pairs line up as tetrads in the middle
Anaphase 1
Spindle fibers pull the homologous chromosomes to opposite en…
14 terms
Biology Ch 6.2 - Meiosis
diploid
mitoses
allele
gamete
2 sets of chromosomes
When the entire nucleus divides into two daughter cells
An alternative form of a gene.
A haploid reproductive cell, such as an egg or sperm. Gametes…
diploid
2 sets of chromosomes
mitoses
When the entire nucleus divides into two daughter cells
Biology Semester 2: Meiosis
8 phases of meiosis
what events/processes contribute to ge…
how many chromosomes does each daughte…
number of daughter cells
PMAT I and PMAT II
-crossing over
-half the number of the parent cell
4
8 phases of meiosis
PMAT I and PMAT II
what events/processes contribute to ge…
-crossing over
biology: meiosis, part 2
homologous chromosomes
26
is reduced
diploid
two chromosomes with the same gene
if the diploid number in a liver cell is 52, how many chromos…
During meiosis, the chromosomes number __ __________.
Cells starting mitosis and meiosis begin with a _______ set o…
homologous chromosomes
two chromosomes with the same gene
26
if the diploid number in a liver cell is 52, how many chromos…
11 terms
Biology 2.7 - Mitosis and Meiosis
Mitosis
How does Mitosis work?
What's the purpose of mitosis?
Diploid cells
When a cell divides into two genetically similar copies of it…
A diploid cell aligns its nucleus at its center and starts to…
To grow and/or to repair damaged cells.
Cells that have 2 pairs of chromosomes in their DNA.
Mitosis
When a cell divides into two genetically similar copies of it…
How does Mitosis work?
A diploid cell aligns its nucleus at its center and starts to…
Biology Meiosis 2
What process has to occur to get the n…
What is a zygote?
What is being divided during meiosis I?
What is being divided during meiosis II?
Fertilization
The very first cell in humans
The homologous pair of chromosomes
The sister chromatids
What process has to occur to get the n…
Fertilization
What is a zygote?
The very first cell in humans
24 terms
Biology - Meiosis
gametes
sperm cells
egg cells
fertilization
specialized cell involved in sexual reproduction
male produced gametes
female produced gametes
process in sexual reproduction in while male and female repro…
gametes
specialized cell involved in sexual reproduction
sperm cells
male produced gametes
Biology Ch. 7: Meiosis 1 and Meiosis 2
prophase 1
metaphase 1
anaphase 1
telephone 1
begins win a 2N cell... -genetic material condenses into chromos…
homologous pairs line up in the center of the cell
-microtubules retract... -homologous pairs are separated... -move t…
-results in the formation of 2 haploid cells... -the genetic mat…
prophase 1
begins win a 2N cell... -genetic material condenses into chromos…
metaphase 1
homologous pairs line up in the center of the cell
Biology: Chapter 10.2 Meiosis
diploid
haploid
homologous chromosome
meiosis
a cell with two of each kind of chromosome
a cell containing one of each kind of chromosome
the two chromosomes of each pair in a diploid cell
the cell division in which produces gametes contain half the…
diploid
a cell with two of each kind of chromosome
haploid
a cell containing one of each kind of chromosome
22 terms
Biology Ch. 10.2 - Meiosis
diploid
haploid
homologous chromosome
meiosis
a cell with two of each kind of chromosome, one from the male…
a cell with one of each kind of chromosome, one from the male…
the two chromosomes of each pair in a diploid cell; paired ch…
type of cell division where one body cell produces four gamet…
diploid
a cell with two of each kind of chromosome, one from the male…
haploid
a cell with one of each kind of chromosome, one from the male…
35 terms
Biology Meiosis Final 2
Meiosis
Mitosis
Chromosomes
Diploid Cells
Results in egg and sperm cells
Cellular division involving replication and division of chrom…
New cells contains a complete set of . . .
Mitosis begins and results in . . .
Meiosis
Results in egg and sperm cells
Mitosis
Cellular division involving replication and division of chrom…
29 terms
Biology Test 2: Meiosis
Replicated DNA is arranged as...
genes are..
locus
A set of chromosomes is inherited from…
sister chromatids AND homologous pairs
-the units of heredity... -made up of segments of DNA... -regions o…
-a specific location on a certain chromosome
EACH parent
Replicated DNA is arranged as...
sister chromatids AND homologous pairs
genes are..
-the units of heredity... -made up of segments of DNA... -regions o…
24 terms
Biology Test 2 ( Meiosis)
Asexual Reproduction
sexual reproduction
sexual reproduction occurs in
Diploid organisms
mitosis
meiosis
diploid organisms
posses homologous chromosomes
Asexual Reproduction
mitosis
sexual reproduction
meiosis
Biology (6.2) Process of Meiosis
How many rounds of division are there…
What occurs during Meiosis 1?
What occurs during Meiosis II?
What is gametogenesis?
two rounds ... (meiosis - 4 haploid cells created from 1 diploid…
Divides homologous chromosomes, producing two haploid cells w…
divides sister chromatids and results in undoubled chromosome…
Process by which gametes are produced through the combination…
How many rounds of division are there…
two rounds ... (meiosis - 4 haploid cells created from 1 diploid…
What occurs during Meiosis 1?
Divides homologous chromosomes, producing two haploid cells w…
Meiosis (biology exam 2)
Karyotype
Sexual reproduction
Genes
allele
(sexual reproduction) process to visualize chromosomes, # of…
Offspring are produced by two parents and are composed of uni…
unit of hereditary information
different versions of genes. mutations create alleles. reshuf…
Karyotype
(sexual reproduction) process to visualize chromosomes, # of…
Sexual reproduction
Offspring are produced by two parents and are composed of uni…
18 terms
Biology Sem. 2 Meiosis Quiz
Meiosis
synapsis
crossing over
oogenesis
2 divisions creates 4 cells with half the amount of DNA
occurs between homologous chromosomes forming a tetrad
results in genetic variation of the species
egg creation (formation)
Meiosis
2 divisions creates 4 cells with half the amount of DNA
synapsis
occurs between homologous chromosomes forming a tetrad
17 terms
Biology: Section 2: Mitosis & Meiosis
interphase
prophase
mitotic spindle
metaphase
-chromosomes are relaxed ... -nuclear envelope is intact... -spindl…
chromosomes condense in "X"
forms structures made of microtubules that guides separation…
spindle fibers attach to the centromeres of the chromosomes…
interphase
-chromosomes are relaxed ... -nuclear envelope is intact... -spindl…
prophase
chromosomes condense in "X"
8 terms
Biology Meiosis
Prophase I
Metaphase I
Anaphase I
Telophase I
spindle fibers form, each chromosome seeks out its homologous…
Chromosome pairs (tetrads) line up at the center of the cell
Homologous chromosomes are pulled to opposite sides of the ce…
2 daughter haploid cells are formed, genetically different fr…
Prophase I
spindle fibers form, each chromosome seeks out its homologous…
Metaphase I
Chromosome pairs (tetrads) line up at the center of the cell
Biology: Meiosis - Meiosis II
sex cell division
production of haploid cells
reproductive cells (sperm and egg)
23
what is meiosis?
what is gametogenesis?
what are gametes?
how many chromosomes do gametes have?
sex cell division
what is meiosis?
production of haploid cells
what is gametogenesis?
31 terms
Meiosis OCR A2 Biology
Meiosis
(Meiosis 1) Prophase 1 - Crossing over
(Meiosis 1) Metaphase 1 - Random assor…
(Meiosis 1) Anaphase 1 - chromosomes i…
Reduction division where haploid cells are produced ... Occurs…
-The chromatin condenses and supercoils ... -Homologous choromso…
-Bivalents are lined up on the equator and are attached to th…
-The homologous chromosones in each bivalent are pulled apart…
Meiosis
Reduction division where haploid cells are produced ... Occurs…
(Meiosis 1) Prophase 1 - Crossing over
-The chromatin condenses and supercoils ... -Homologous choromso…
10 terms
Biology 2 - Meiosis
What is meiosis ?
What do gametes have half of ?
What happens with the cells during sex…
What do gametes only have one of ?
The two stage process of cell division which reduces the chro…
The usual number of chromosomes
Two cells called gametes combine to form a new individual.
One copy of each chromosome
What is meiosis ?
The two stage process of cell division which reduces the chro…
What do gametes have half of ?
The usual number of chromosomes
8 terms
Biology Mitosis 1 and Meiosis 2
Prophase 1
Metaphase 1
Anaphase 1
Telophase/Cytokinesis 1
Homologous chromosomes pair up form tetrad
Spindle fibers move homologous chromosomes to opposite sides
Nuclear membrane reforms, cytoplasm divides 4 daughter cells…
Chromosome lines up along equator, not in homologous pairs
Prophase 1
Homologous chromosomes pair up form tetrad
Metaphase 1
Spindle fibers move homologous chromosomes to opposite sides
19 terms
Biology 6.2 Process of Meiosis
gametogenesis
sperm
egg
polar body
the production of gametes
male gamete
female gamete
cells with little more than DNA that are eventually broken down
gametogenesis
the production of gametes
sperm
male gamete
Biology Gasca S2 Meiosis
chromosomes
Alleles
Locus (plural Loci)
Asexual Reproduction (mitosis)
these are made of DNA and proteins; they also carry genes whi…
these are different forms of a gene (dimples or no dimples, o…
this is a gene's specific location along the length of a chro…
during this, one parent produces offspring, so all of its off…
chromosomes
these are made of DNA and proteins; they also carry genes whi…
Alleles
these are different forms of a gene (dimples or no dimples, o…
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