What is the significance of having two alleles for each trait?

• It allows for variation in traits

• It ensures identical traits

• It prevents genetic disorders

• It limits genetic diversity

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the genotype for a homozygous dominant trait?

• Aa

• aa

• AA

• aA

What is the genotype for a homozygous recessive trait?

• Aa

• aa

• AA

• aA

What is the genotype for a heterozygous trait?

• Aa

• aa

• AA

• aA

Tags

NGSS.HS-LS3-2

What type of trait can a homozygous dominant organism pass down?

• Recessive

• Dominant

• Either

• Neither

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the phenotype of a pea with the genotype Yy?

• Green

• Yellow

• Red

• Blue

Tags

NGSS.HS-LS3-1

What is the genotype of a rabbit with a blue coat that can only pass down blue coats?

• Aa

• aa

• AA

• aA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which genotype results in a ginger coat in rabbits?

• AA

• Aa

• aa

• aA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a rabbit is homozygous recessive, what can it pass down?

• Only blue coats

• Only ginger coats

• Either blue or ginger coats

• Neither blue nor ginger coats

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does it mean if a rabbit is homozygous recessive?

• Both alleles are capitalized

• Both alleles are lowercase

• Both alleles are different cases

• One allele is capitalized, one is lowercase