Identify the genotypes and phenotypes

Identify the genotype for the following:

Jessica is heterozygous for dimples.

• DD or Dd

• Dd

• dd

• DD

Tags

NGSS.HS-LS3-1

Identify the genotype.

Marcus is homozygous dominant for having a widow's peak.

• ww

• Ww

• WW

• WW or Ww

Tags

NGSS.HS-LS3-1

Identify the genotype.

Olivia is homozygous recessive and has cystic fibrosis.

• cc

• Cc

• CC

• CC or cc

Tags

NGSS.HS-LS3-1

Huntington's disease is caused by a dominant gene.

Marlon does NOT have Huntington's disease. What is his genotype?

• HH

• Hh

• HH or Hh

• hh

Tags

NGSS.HS-LS3-1

Cystic fibrosis is caused by a recessive gene.

Karen does not have cystic fibrosis, but she is a carrier.

What is her genotype?

• Cc

• CC

• CC or Cc

• cc

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A widow's peak is caused by a dominant gene.

Noemi has 2 dominant alleles.

What is her genotype?

• WW

• Ww

• ww

Tags

NGSS.HS-LS3-1

Dimples are caused by a dominant gene.

Javi has 2 recessive alleles.

What is his genotype?

• DD

• Dd

• dd

Tags

NGSS.HS-LS3-1

Being able to roll your tongue is caused by a dominant gene.

Kim is hybrid for this trait.

What is her genotype?

• RR

• Rr

• rr

Tags

NGSS.HS-LS3-1

Being able to roll your tongue is caused by a dominant gene.

Kim is hybrid for this trait.

What is her phenotype?

• She can roll her tongue.

• She cannot roll her tongue.

• FF

• Ff

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Freckles are caused by a dominant gene. Noah has 1 dominant allele and 1 recessive allele.

What is Noah's phenotype?

• He has freckles.

• He does not have freckles.

• Ff

• ff

Tags

NGSS.HS-LS3-1