Mendelian Genetics Practice Quiz

Factors that control traits are called____.

• purebreds

• hybrids

• parents

• genes

Tags

NGSS.HS-LS3-2

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An organism that has two different alleles for a trait is called________.

• purebred

• Bob

• homozygous

• heterozygous

What does AA mean?

• homozygous recessive

• homozygous dominant

• heterozygous

• phenotype

What does Aa mean?

• homozygous recessive

• homozygous dominant

• heterozygous

• phenotype

What does a Punnett square show?

• all the possible outcomes of a genetic cross

• only the dominant alleles in a genetic cross

• only the recessive alleles in a genetic cross

• what WILL happen in a genetic cross

If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur?

• 25%

• 50%

• 75%

• 100%

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NGSS.HS-LS3-2

NGSS.HS-LS3-1

NGSS.HS-LS3-3

An organism's physical appearance is its_____.

• genotype

• phenotype

• alleles

• dominance

When sex cells combine to produce offspring, each sex cell will contribute______.

• 1/4 of the diploid number of chromosomes.

• 1/2 of the diploid number of chromosomes.

• all of the diploid number of chromosomes.

• two times the diploid number of chromosomes.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Which term refers to physical characteristics that are studied in genetics?

• offspring

• traits

• genes

• alleles

Tags

NGSS.MS-LS4-2

An organism's genotype is its____.

• genetic makeup

• physical appearance

• feather color

• stem height

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1