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Genetics
Test Description: Genetics Review for IA 4
Instructions: Answer all questions to get your test result.
1) The genetic code of an organism is its
A
trait
B
genotype
C
allele
D
phenotype
2) The physical appearance/ traits of an organism is its
A
chromosome
B
genotype
C
phenotype
D
allele
3) What do the letters on the outside of a punnett square represent
A
The parents phenotype
B
The parents genotype
C
The offsprings phenotype
D
The offsprings genotype
4) A parent with genotype Tt has offspring with a parent with genotype TT, what is the percent chance the offspring shows the dominant trait
A
75%
B
50%
C
100%
D
25%
5) In elephants T gives tusks, and t gives no tusks. If a Tt elephant has babies with a Tt elephant, what are the chances the elephant does not have tusks?
A
75%
B
25%
C
100%
D
50%
6) B= spots, b= no spots. A dog with traits Bb has puppies with another Bb dog. What are all of the possible genotypes of their offspring?
A
spots
B
Spots, No spots
C
BB, Bb, bb
D
BB, Bb
7) B= spots, b= no spots. A dog with traits Bb has puppies with another Bb dog. What are all of the possible phenotypes of their offspring?
A
Spots, no spots
B
BB, Bb
C
spots
D
BB, Bb, bb
8) Why in Bb do you see the dominant trait?
A
Because there are more capital B's
B
Because capital B is dominant
C
Because capital B wins
D
Because the capital letter is bigger
9) Where do you get your genes
A
Chromosomes from your parents body cells
B
Alleles from your parents sperm and egg
C
Chromosomes from your parents sperm and egg
D
Alleles from your parents body cells
10) What are the possible genotypes if you see the dominant trait?
A
GG, Gg
B
GG, gg
C
Gg
D
Gg, gg
*select an answer for all questions
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