Genetics Practice

Choose the inherited trait

• scar on the face

• dimples

• calluses (rough skin) on hands

• large muscles from exercising

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Choose the inherited trait

• calluses on hands

• ear piercings

• widow's peak

• tattoos

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Choose the acquired trait

• widow's peak

• cleft chin

• scar on hand

• dimples

Choose the acquired trait

• cleft chin

• broken nose

• webbed toes

• dark eyes

Choose the homozygous dominant genotype

• dd

• Dd

• DD

Choose the heterozygous dominant genotype

• DD

• Dd

• dd

Tags

NGSS.HS-LS3-1

Choose the homozygous recessive genotype

• DD

• Dd

• dd

Which gentoype(s) represents a purebred animal?

• AA

• Aa

• aa

Which gentoype(s) represents a hybrid animal?

• AA

• Aa

• aa

How many chromosomes are in a human body cell?

• 20

• 40

• 23

• 46