Test Review: Reproduction,Heredity, & DNA

Test Review: Reproduction,Heredity, & DNA

7th Grade

45 Qs

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Test Review: Reproduction,Heredity, & DNA

Test Review: Reproduction,Heredity, & DNA

Assessment

Quiz

Science

7th Grade

Easy

Created by

Mara Dils

Used 16+ times

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45 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

During _______________, sperm and egg unite to form offspring.

Pollination

Mitosis

Fertilization

Meiosis

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A(n) _______________ is an example of a haploid cell because it contains half the number of chromosomes.

Body cell

Daughter cell

Sex cell

Diploid cell

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Sex cells are formed during _______________, when the nucleus divides twice, forming cells with half the original chromosome number.

Mitosis

Fertilization

Meiosis

Pollination

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are 38 chromosomes in the liver cells of a cat. The sperm of male cats would contain ________ chromosomes.

38

19

24

56

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Homologous chromosomes ________ during meiosis and _______ during fertilization.

separate, pair

pair, separate

replicate, divide

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A fertilized human egg contains ______ chromosomes.

23

46

92

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A(n) _____ is always expressed if it is present in an organism.

genotype

phenotype

dominant allele

recessive allele

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