Set: Genetics: Science Final Exam Pt.2

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All 64 Terms

Term Definition
What do we mean by phenotype It describes physical appearance. It is traits that are seen
What do the genes do Carry the traits you inherited from your parents, make you who you are, and found on the chromosomes
What are alleles different forms of a gene
What are some examples of alleles Gene: eye color Allele: brown, blue, green
What do we mean by the word genotype It is the genetic makeup (genes).
What are the two ways to write a genotype Homozygous and Heterozygous
What is it meant by homozygous same alleles (BB or bb)
What is it meant by heterozygous different alleles (Bb)
What is the function of punnett squares Tool used to predict the outcome of a cross
EXAMPLE OF PUNNETT SQUARE: Dad has brown hair, mom has blonde hair, and dad is heterozygous. What are the possible genotypes and phenotypes of their offspring Phenotype: 50% Brown and 50% Blonde...Genotype: 50% Bb and 50% bb
Who is Gregor Mendel Father of modern genetics
What did Gregor Mendel study Pea plants
What is it meant by law of dominance Dominant trait always shows up when present
What is it meant by law of segregation Chromosomes separate
What is it meant by law of independent assortment chromosomes separate randomly
What is meiosis Process of making sex cells
What are the two sex cells Sperm (XY) and egg (XX)
What is the total number of chromosomes do the sex cells contain .5 or 1/2
Sex cells = n (haploid)
Body cells = 2n (diploid)
How many stages is meiosis composed of 2
What are the stages in meiosis meiosis I and meiosis II (mitosis)
What are the differences between mitosis and meiosis Mitosis: 2 cells, diploid, 2n ---> 2n, body cells, one stage, and no tetrads. MEIOSIS: 4 cells, haploid, 2n ---> n, sex cells, 2 stages, and tetrads
What is it meant by polygenic traits Controlled by many genes
What are examples of polygenic traits Eye color, skin color, and hair color
What is it meant by enviornmental factors Have an impact on gene expression
What are some examples of enviornmental factors skin color, hair color, height, and weight
Males are... (XY) Heterozygous
Females are... (XX) Heterozygous
What are sex linked traits Traits found on the sex chromosomes
How many autosomes (body chromosomes) does normal person have 44 (22 pairs)
How many sex chromosomes does a normal person have 2 (1 pair)
Where are sex-linked traits usually found On the X chromosom
What are some examples of sex-linked traits Hemophilia, Duchennes Muscular Dystrophy, Male Pattern Baldness, and Color Blindness
What does the word carrier mean A person who has the trait but does not show it
What is multiple alleles 3 or more alleles for a trait
What is an example of multiple alleles Blood type
What are the blood types O, A, B, & AB
What blood type is the universal donor O
What blood type is the universal recipient AB
Where was hemophilia originally found In the royal family
What chromosome is hemophilia found on X chromosome
What is hemophilia It is a sex linked trait that affects males
What does hemophilia fail to do Blood clotting
What race does sickle cell anemia mainly affect African Americans
What is the hemoglobin unable to do when affect with sickle cell anemia Carry oxygen
In sickle cell anemia, what is the shape of the red blood cells Sickle
What happens when someone has cystic fibrosis Lungs fill with thick mucus
What is the most common form of mental retardation Down Syndrome
When a person has down syndrome what extra chromosome do they have 21st
What is amniocentesis It is a test for mutation by removing amniotic fluid
What is a carrier type Picture of your chromosome
What is a mutation A change in dna
Where is dna found In the nucleus of a cell
What does dna stand for Deoxyribose Nucleic Acid
What is dna The code that carries the organisms traits
Who identified the shape of dna Watson and Crick
What is the shape of dna Double helix (spiral staircase)
How many sides does a dna strand have 2
How many parts us dna composed of 3
What are the 3 parts Sugar group, Phosphate group, and Nitrogenous bases
Sugar group, Phosphate group, and Nitrogenous bases are the __ of DNA DNA
What are the base pairing rules Adenie (a)-Thymne (t) and Cytosine (c)-Guanie (g)
What is the complementary DNA strand of CGTAATCGG GCATTAGCC

Set Information

Terms 64
Creator tyler419
Created June 17, 2008
Groups Popham 7, Popham 8
Tags science, final, exam, pt.2, mr. raff, genetics
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shelbo10 : u havent finished the quizlet, right
shelbo10 : ?
shelbo10 : u only have seven things
tyler419 : not even close doen
tyler419 : just started
tyler419 : rite now i have 22 terms
tyler419 : and thats like three pages of notes
tyler419 : FOR THE RECORD ALL THE MEIOSIS 1 AND MEIOSIS II STUFF IS ON MY FIRST QUIZLET LIKE PROPHASE AND TELOPHSE STUFF
shelbo10 : heyy
tyler419 : hi
tyler419 : Hi i have five more sheets of notes left and i have 40 terms ahh my fingers hurt
tyler419 : alrite brb making more terms
tyler419 : FOR THE RECORD ALL THE MEIOSIS 1 AND MEIOSIS II STUFF IS ON MY FIRST QUIZLET LIKE PROPHASE AND TELOPHSE STUFF
shelbo10 : i know
shelbo10 : did u study any if this?
shelbo10 : or just make the quizlet?
tyler419 : i'm still making it right now
liizzy12 : how long have you been doing this?
tyler419 : bout one hour
tyler419 : y
tyler419 : DONE FINALLY 64 TERMS as u can see... i am doin pt. 3 (Classification) another day soon
tyler419 : plz tell me if something is wrong...and dnt forget ALL THE MEIOSIS 1 AND MEIOSIS II STUFF IS ON MY FIRST QUIZLET LIKE PROPHASE AND TELOPHSE STUFF
shelbo10 : kk
shelbo10 : i will check if it is all right later when i start to study itt
Thomunny : u really don't have to do this. fyi there are review games and past quizlets
tyler419 : w.e. at least i know all this is right and the review games and my quizlets if u no them all u will do amazing on the test
jcarlin : thx tyler
hbanana : any 1 here
jcohen123456789 : any1 here
foxmeadowboydj : hello?
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Most Missed Words

  1. How many stages is meiosis composed of → 2 - 3 misses
  2. What is an example of multiple alleles → Blood type - 2 misses
  3. How many sides does a dna strand have → 2 - 2 misses
  4. What do we mean by phenotype → It describes physical appearance. It is traits that are seen - 1 miss
  5. What are alleles → different forms of a gene - 1 miss
  6. What are some examples of alleles → Gene: eye color Allele: brown, blue, green - 1 miss
  7. What is it meant by heterozygous → different alleles (Bb) - 1 miss