Genetics Quiz

A ______ is the most basic unit of structure and function in all living things.

• cell

• cytoplasm

• nucleus

• DNA

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

The nucleus contains ______?

• All genetic information

• DNA

• Deoxyribonucleic Acid

• All of the above

What do you call coiled DNA molecules that carry the message of inheritance?

• chromosomes

• deoxyribonucleic acid

• nucleus

• cell

Tags

NGSS.HS-LS3-1

Chromosomes come in pairs.

• True

• False

A _________ is the basic unit of of heredity; the code for a feature of an organism.

• gene

• allele

• DNA

• chromosome

A gene is a pair of _________ in two paired chromosomes.

• allele

• chromosome

• DNA

• gene

Tags

NGSS.HS-LS3-1

Write 3 examples of observable traits in humans.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele that gets masked is called _______

• recessive

• dominant

• homozygous

• heterozygous

The stronger allele that will always show is called __________.

• dominant

• recessive

• homozygous

• heterozygous

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NGSS.HS-LS4-3

What is an example of a genotype? Hint: There is more than 1 correct answer

• HH, Hh, hh

• The genes an organism has

• brown eyes vs. blue eyes, straight hair vs. curly hair

• How a trait is physically expressed

Tags

NGSS.HS-LS3-1