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Unit 4 Genetics Review

Authored by CAMRYN MENDEZ

Science

7th Grade

Used 7+ times

Unit 4 Genetics Review
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which answer best describes sexual reproduction?

offspring are identical to the parents

offspring come from one parent

offspring come from two parents

offspring have twice as much DNA as their parents

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following best describes asexual reproduction?

offspring is identical to one parent

sperm fertilizes the egg

offspring is a combination of two parents

offspring is genetically unique

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which statement correctly shows how genes and chromosomes are related?

chromosomes are made of DNA, but genes are not

chromosomes are found on genes

genes are located inside the nucleus and chromosomes are not

genes are found on chromosomes

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many chromosomes do humans have?

23

32

46

3,000

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

This involves one parent and the offspring is identical to the parent

asexual reproduction

chromosomes

genes

sexual reproduction

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How a trait is physically expressed is called a _______

phenotype

genotype

trait

characteristic

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The different forms of a trait that a gene may have are called ___________

short

tall

alleles

characters

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