Heredity

What was the name of the Austrian monk who studied the principles of heredity in the early 1860s?

• Charles Darwin

• Gregor Mendel

• Reginald Punnett

• Johann Nestler

Tags

NGSS.HS-LS3-1

Which notation could be used to represent the recessive allele for green pea seeds?

• G

• T

• Y

• y

A Punnett square determines

• how likely an offspring is to have a certain genotype

• which genotype an offspring will have

• which phenotype an offspring will have

• how many offspring will be produced

An Rr Arctic fox mates with another Rr fox. What genotype(s) would you expect the pups to have?

• all Rr

• Some RR and some Rr

• Some Rr and some rr

• Some RR, some Rr, and some rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A cross of purebred parents with different traits may result in some offspring with the recessive trait.

• false

• true

Tags

NGSS.HS-LS3-1

Pink snapdragons are an example of

• incomplete dominance

• complete dominance

• codominance

• multiple alleles

Human hair color, which is controlled by more than one gene, is an example of

• polygenic inheritance

• codominance

• incomplete dominance

• simple dominance

Human blood type does not follow Mendel's principles of heredity.

• true

• false

Crossing a yellow-flowered plant with a red-flowered plant that follows incomplete dominance produces a plant whose flowers are both yellow and red.

• true

• false

How many alleles affect human blood type?

• 1

• 2

• 3

• 4