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Genetics Test Review

Authored by Allison Kane

Science

7th Grade

Used 3+ times

Genetics Test Review
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_________ are made up of letters/alleles

Genotypes

Phenotypes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_________ reproduction creates children that are varied or different from their parents.

asexual

sexual

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ww is crossed with Ww. What percentage of offspring are recessive.

75%

25%

0%

100%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bb is crossed with Bb. What percentage of offspring are dominant?

25%

50%

100%

75%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

RR red birds are crossed with rr yellow birds. Red is completely dominant. What percentage of offspring will be yellow?

50%

75%

0%

100%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of reproduction produces offspring with genetic variation?

asexual - mitosis

sexual - meiosis

asexual - meiosis

sexual - mitosis

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two dogs breed 50 puppies in their lifetime.

25 are black (dominant) and 25 are white (recessive). What are the likely genotypes of the parents?

Bb and bb

BB and bb

Bb and Bb

bb and bb

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