Quiz about Homozygous and Heterozygous

Question 1

Identify as Homozygous or heterozygous? JJ

Accepted Answer

Homozygous

Answer

Heterozygous

Question 2

Identify as Homozygous or heterozygous? Ll

Accepted Answer

Heterozygous

Answer

Homozygous

Question 3

Identify as Homozygous or heterozygous? Rr

Accepted Answer

Heterozygous

Answer

Homozygous

Question 4

Identify as Homozygous or heterozygous? tt

Accepted Answer

Homozygous

Answer

Heterozygous

Question 5

Two of the same genes for a trait (sometimes called purebred). BB or bb

Accepted Answer

homozygous

Answer

hetrozygous

Answer

protein

Answer

chromosome

Question 6

Having two of the same genes for the trait (sometimes called purebred).

Accepted Answer

homozygous

Answer

hetrozygous

Answer

protein

Answer

chromosome

Question 7

Which of the following is homozygous recessive?

Accepted Answer

tt

Answer

Tt

Answer

TT

Answer

T

Question 8

What percent (%) of offspring will be homozygous [GG or gg]?

Accepted Answer

50%

Answer

0%

Answer

25%

Question 9

One allele for stripes, one allele for solid

Accepted Answer

Heterozygous

Answer

Homozygous

Question 10

Identify as Homozygous or heterozygous? WW

Accepted Answer

Homozygous

Answer

Heterozygous

Question 11

Identify as Homozygous or heterozygous? Uu

Accepted Answer

Heterozygous

Answer

Homozygous

Question 12

Which of the following is Homozygous?

Accepted Answer

KK

Answer

Kk

Answer

KKK

Question 13

Which of the following is heterozygous genotype?

Accepted Answer

Tt

Answer

tt

Answer

TT

Question 14

Make this Homozygous: K

Accepted Answer

K

Answer

k

Answer

L

Answer

l

Question 15

Tt is homozygous.

Accepted Answer

False

Answer

True

Question 16

RR is homozygous.

Accepted Answer

True

Answer

False

Question 17

Hh is heterozygous.

Accepted Answer

True

Answer

False

Question 18

Which of the following is an example of a homozygous dominant trait?

Accepted Answer

GG

Answer

gg

Answer

Gg

Question 19

Which of the following is an example of a homozygous recessive trait?

Accepted Answer

rr

Answer

RR

Answer

Gg

Question 20

Identify as Homozygous or Heterozygous? Aa

Accepted Answer

Heterozygous

Answer

Homozygous

Question 21

Which of the following represents a homozygous dominant genotype?

Accepted Answer

AA

Answer

aa

Answer

Aa

Answer

aA

Question 22

In a genetic cross between two heterozygous individuals (Bb), what is the probability of obtaining a homozygous recessive offspring?

Accepted Answer

25%

Answer

50%

Answer

75%

Answer

100%

Question 23

Which of the following is an example of a heterozygous genotype?

Accepted Answer

Xx

Answer

XX

Answer

xx

Answer

YY

Question 24

If a plant is homozygous for a trait, what does this mean about its alleles?

Accepted Answer

It has two identical alleles for the trait

Answer

It has two different alleles for the trait

Answer

It has no alleles for the trait

Answer

It has one allele for the trait

Question 25

In a Punnett square, what does a heterozygous genotype look like?

Accepted Answer

Two different letters, one uppercase and one lowercase

Answer

Two identical letters, both uppercase

Answer

Two identical letters, both lowercase

Answer

One letter only

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