Upgrade to remove ads
Bio Exam 2
Terms in this set (42)
Which term describes a cancerous tumor?
Which type of cell division produces daughter cells that are identical to the original cell?
Mitosis in animals
What would result if a cell underwent mitosis but did NOT complete cytokenisis?
one cell with two nuclei
During which phase of mitosis are the replicated chromosome aligned in the middle of the cell?
During the metatphase checkpint, which information is being checked by the cell?
If its chromosomes are properly attached to microtubles
What gene encodes a protein that will inhibit cell division?
What are the different versions of the same gene?
Tetraploid oranisms have four copies of each chromosome instead of the two copes that humans have. How many copies of each chromosome end up in a gamete produced by a tetraploid organism?
During which stage of meiosis do homologous chromosomes seperate?
When do sister chromatids seperate?
Meiosis 2 and miti=osis
During which meiotic phase does crossing over occur?
Prophase 1 of meiosis 1
During which process do gametes fuse together?
At metaphase of meiosis 1, chromosomes are ____
with their homologous pair
An idividual that is heterozygous for a gene shows what phenotype?
In humans, sperm and egg cells always____
each have 1 copy of every gene
In the figure at right, a parent cell is shown at the top and 5 possible daughter cells are shown below. Which cell A-E represents the correct chromosomal conditin for one daughter nucleus at telophase of mitosis?
What are homologous chromosomes?
chromosomes that generally contian the smae gnee
If youre interested in studying the ingeritance of one gene within a human mating, and for this gene each individual has two alleles, then how many boxes would be used in the Punnett square to predict the inheritance of the alleles?
In a certain plant species, thick-shelled seeds are caude by the dominant allele T. Thin shelled seeds are caused by the recessive allele t. What is the genotype of an individual with thin-shelled seeds?
Cystic fibrosis is caused by the allele f, which is completely recessive to the normal dominant allele F. Consider a couple who both have the genetype Ff. What is the chance that their first child will develop cystic fibrosis?
Huntingtons disease is caused by the allele H, wihch is completely dominant to the normal recessive allele h/ Consider a couple where the man has the genptype Hh, and the woman has the genotype hh. What is the chance that their first child will develop Huntington's disease?
In pea plants, the allele for purple flowers (P) is dominant to the allele for white flowers (p). In a cross between a purple- flowered plant and a whote- flowered plant, all 73 of the offspring plants had purple flowers. Which cross would be most likely to provide such results?
PP x pp
How many different kinds of gametes can be made by an individual with the genotype AaBb?
Which cross shows both parents having two different alleles for each of two different genes?
AaBb x AaBb
What is the process by which cells of a malignant tumor can break away and start new cances at distant locations?
What term refers to an individual whose genotype for a particular gene includes two copies of the same alles?
A: The figure at right represents chromosomes at which stage of cell division?
B: How many chromosomes are in this cell?
A: metaphase 1 of meiosis
One gene has the alleles A and a; another gene has the alleles Band b. For the genotype AABb, what are all of the possible gametes that could be produced?
AB and Ab
If an individual with the genotype AABB mate with an individual whose genotype was AaBB, what genotypes could their offspring have?
_____ is the name for substances that cause damage to the DNA that can lead to cancer?
A flower that is TtRR is crossed with a flower that is TtRr. For each of the parental flowers, identify the combinations of alleles that are possible in their gametes.
TtRR: TR, tR
A: Is fire breathing a dominant or recessive trait?
B:What is the genotype of individual 2?
What is the phenotype individual 1?
fire-breathing or recessive
If individual 10 mated with a carrier for fire breathing , what proportion of their baby dragons will be able to breath fire?
f Ff ff
f Ff ff
The three components of the circulatory system include the heart, _____, and ______.
has thin, porous walls
has thick, elastic walls
Is this cell haploid or diploid? #36
#36 How many chromatids are in this cell?
The fluid of the circulatory system contains several components, Name two.
White and red blood cells
Leonard and sheldon are at the hosptial because sheldon is not feeling well. They both get an electrocardio gram to check their heart rate. The doctor informs them that leonards heart has a normal sinus rhythm. However, the doctor is very concerned about sheldons ekg. The EKG is showing dangerously rapid heart rate. What is the name for this condition?
You might also like...
BIO 302 Exam I
BSC2011 Exam 2
bio exam 3 homework
bio exam 3 homework
Other sets by this creator
Bio exam 3
Biology Exam 2
Ethics Exam 1