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Genetics Review Test
Test Description: Get ready to rock the test!
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of an ACQUIRED trait?
A
Blue eyes
B
Widows peak
C
longer ring finger than index finger
D
Ability to play guitar
2) How is mitosis different from meiosis?
A
Mitosis only happens in sex cells, whereas meiosis happens in all body cells
B
Mitosis creates two identical baby cells, whereas meiosis creates four different baby cells
C
Mitosis creates cells with half the DNA that meiosis does
D
In mitosis, the nucleus splits once; in meiosis, it splits three times
3) Brown eyes are dominant over blue eyes. If a Bb man and bb woman have kids, what is the chance that the kids will have blue eyes? (hint: use a Punnett Square!)
A
1/4 (25%)
B
2/4 (50%)
C
3/4 (75%)
D
4/4 (100%)
4) Which of the following is TRUE about dominant genes?
A
They will only show up if recessive genes are not present
B
They will always win over recessive genes
C
They are represented by a lowercase letter
D
They only come from the father
5) A farmer mates two of his best horses in the hopes of getting an awesome baby horse. What is this an example of?
A
Selective Breeding
B
Asexual Reproduction
C
Mutations
D
Genetic Engineering
6) Which of the following is NOT an example of an ethical dilemma?
A
Which pencil sharpener in the middle school works best?
B
Is it okay to genetically engineer our children?
C
Is it okay to steal from a store to save your mother's life?
D
Should teachers be allowed to carry guns to school?
7) Which of the following is an example of a homozygous recessive genotype?
A
Hh
B
hH
C
hh
D
HH
8) What is the relationship between genotype and phenotype?
A
Genotypes are found on Punnett Squares, whereas Phenotypes are found in DNA
B
Genotype gives the code for the phenotype (what you'll actually look like)
C
Genotypes are inherited into phenotypes
D
Genotype is homozygous recessive, while phenotypes are heterozygous
9) In incomplete dominance, if a red flower (R) and white flower (W) have babies, what color are the offspring?
A
Half white, half red
B
Pink
C
Red
D
White
10) What is the relationship between DNA and chromosomes?
A
DNA is packaged up into little X shapes called chromosomes
B
Chromosomes contains the genotypes of DNA
C
Chromosomes are found in the nucleus, whereas DNA is found in the cytoplasm
D
Chromosomes codes for a single trait on DNA
*select an answer for all questions
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