Question

Which of the following correctly describes the genotype and phenotype of the parents of a child with a recessive trait?

a) 100%
b) 50%
c) 25%
d) 0%

Answer 1

sorry wrong answer choices, here are the correct ones

a) both parents are homozygous for the recessive allele, and have the trait
b) both parents are homozygous for the recessive allele, but do not have the trait
c) both parents are heterzygous for the recessive allele, and have the trait
d) both parents are heterzygous for the recessive allele, but do not have the trait

Answer 2

help me please

Answer 3

ok, logically c and d dont work, because u cant be hetero for the recessive trait, only for the dominant, and u cant be homo for the recessive trait, but not have the trait, so id wager A

Answer 4

So the answe is A

Answer 5

yes, can i have a medal?

Answer 6

Could you help me with a few more

Answer 7

sure

Answer 8

ok, hold on it will take a while and yes i will

Answer 9

a long haired cat is crossed with a heterozygous short haired cat. What percentage of their offspring will have long hair?

a) 100%
b) 50%
c) 25%
d) 0%

Answer 10

the long hair is recessive homozygous, and the second is hetero, so it gives u a 50 50 for both, so B.

Answer 11

In humans, having dimples is a dominant trait. If one parent has dimples and is homozygous for the trait and one parent does not have dimples, what are the chances of their offspring NOT having dimples?

a) 100%
b) 50%
c) 25%
d) 0%

Answer 12

RR and rr via punnet square creates 50% dominant homo, and 50% hetero, so 0% homo recessive, so id say d

Answer 13

i have two more to ask, is that ok

Answer 14

sure

Answer 15

sure

Answer 16

k

in humans, having more than five fingers or toes is dominant over having exactly five fingers or toes. Which of the following situations would result in half of a couples offspring having six digits and half of them having five?

a) both parents are homozygous for the recessive trait
b) both parents are heterozygous
c) one parent is heterozygous while the other is homozygous for the recessive trait
d) one parents is homozygous for the recessive trait while the other is homozygous for the dominant trait

Answer 17

this is a repeat of the cat hair question, its c, its just the other way around.

Answer 18

White skin (W) is dominant over yellow skin (w) in chickens. Which of the following genotypes would result in a white skinned chicken that could possibly have yellow skinned offspring?

a) WW
b) Ww
c) ww

Answer 19

srry, had to go afk, so,

Ww is hetero, and all hetero have the dominant trait.

Answer 20

Id say B

Answer 21

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