Genetics test review

Genetics test review

7th Grade

20 Qs

quiz-placeholder

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Genetics test review

Genetics test review

Assessment

Quiz

others

7th Grade

Practice Problem

Hard

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What fraction of individuals will be homozygous dominant?

1/3

1/2

2/3

1/4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Freckles are dominant over not having freckles. If the following cross occurred, Ff x Ff, what percentage of the offspring would you expect to NOT have freckles?

100%

75%

50%

25%

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Two identical alleles for a trait is known as

homozygous

heterozygous

mutation

codominance

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What are an individual's traits determined by?

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?

It is BB.
It is Bb
It is brown
It is bb.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the definition of phenotype?

The physical expression of a trait

The genetic combination of alleles

A gene on the DNA strand

A variation of a gene

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

How many offspring will show the recessive trait?

0%

25%

50%

75%

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