Genetics & Heredity

An inherited combination of alleles in a gene is called a ________.

• genotype

• phenotype

• chromosome

• DNA

Purple flowers are dominant to white flowers. If a flower has the genotype pp, what is the the phenotype?

• Purple

• White

• Purple and white

• Lavender

Tags

NGSS.HS-LS3-2

Purple flowers are dominant to white flowers. If a flower has the genotype Pp, what is the the phenotype?

• Purple

• White

• Purple & White

• Lavender

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A gene with two DIFFERENT alleles for an inherited trait is __________.

• homozygous

• heterozygous

• recessive

• dominant

If you cross a white flower (pp) with a purple flower (PP), the possible genotypes of the offspring are

• PP and pp

• All Pp

• All PP

• All pp

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A ________________ trait masks a alternate form of the trait and is always expressed.

• recessive

• incomplete

• codominant

• dominant

A _____________ trait is always masked by the alternate version of the trait.

• dominant

• punnett

• recessive

• gene

If a true-breeding male plant with wrinkled seeds (ww) is crossed with a true-breeding female plant with round seeds (WW), what are the probable phenotypes of the offspring?

• 100% wrinkled seeds

• 100% round seeds

• 75% round seeds, 25% wrinkled seeds

• 50% round seeds, 50% wrinkled seeds

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Individuals inherit ____ allele from each parent for every trait.

• 1

• 2

• 23

• 46

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Bb represents a gene that is __________________.

• homozygous dominant

• heterozygous

• homozygous recessive

• none of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2