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Worksheets

Genes

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which process results in daughter cells that are genetically identical to the parent cell?

a)

mitosis

b)

meiosis

2.

Fill in the blank: The final cells produced by meiosis are called ________.

a)

Gametes

b)

Zygotes

c)

Somatic cells

d)

Stem cells

3.

How many chromosome pairs does each human cell have?

a)

22 chromosome pairs

b)

23 chromosome pairs

c)

42 chromosome pairs

d)

46 chromosome pairs

4.

What is the total number of chromosomes in a human cell?

a)

48 chromosomes

b)

23 chromosomes

c)

44 chromosomes

d)

46 chromosomes

5.

Fill in the blank: The genetic makeup of an organism is called its ______.

a)

Genotype

b)

Phenotype

c)

Chromosome

d)

Allele

6.

Fill in the blank: The observable characteristics of an organism are called its ______.

a)

Allele

b)

Genotype

c)

Phenotype

d)

Chromosome

7.

What are the three laws of heritability?

a)

Replication, Transcription, Translation

b)

Mutation, Variation, Adaptation

c)

Inheritance, Evolution, Selection

d)

Dominance, Segregation, Independent Assortment

8.

Which law of heritability states that alleles separate during gamete formation?

a)

Dominance

b)

Segregation

c)

Independent Assortment

9.

Which law of heritability explains that genes for different traits can segregate independently during the formation of gametes?

a)

Dominance

b)

Segregation

c)

Independent Assortment

10.

One definition of epigenetics is the study of:

a)

oxidative stress and its affect on gene therapy

b)

changes in gene function that are heritable but don't entail change in DNA

c)

changes in genetic DNA code that are heritable

d)

an organism's complete set of genetic information