Heredity

The brown eye trait is dominant over blue eyes. Which of the following genotypes best represents the phenotype for blue eyes?

• BB

• Bb

• bb

• bB

Tags

NGSS.HS-LS3-1

Which genotype below represents a homozygous trait?

• Aa

• AA

• aA

Tags

NGSS.HS-LS3-1

Each organism has 2 alleles for a particular trait. Where do these two alleles come from?

• One from each parent

• Both from one parent

• Alleles do not come from parents

• The kidney

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A diagram that highlights the traits of biological family members is called a _______________.

• Punnett Square

• Karyotype

• Pedigree

• Pie Chart

The ability to roll your tongue is a dominant trait. If both parents are heterozygous for tongue rolling and they have 8 children together, is it possible that they could have children who are unable to roll their tongues?

• Yes

• No

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the genotype for #15?

• rr

• Rr

• RR

• rR

Tags

NGSS.HS-LS3-1

A male heterozygous for widow’s peak marries a female without a widow’s peak.

Widow’s peak is a dominant trait (H) not having a widow’s peak is recessive (h).

What is the male's genotype?

• HH

• Hh

• Widow's Peak

• No Widow's Peak

Tags

NGSS.HS-LS3-1

A male heterozygous for widow’s peak marries a female without a widow’s peak.

Widow’s peak is a dominant trait (H) not having a widow’s peak is recessive (h).

Use the Punnett Square on Widow's Peal to answer the following question:

What percent of the children will have widow's peak?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

An organism’s physical appearance of visible traits is a _____________.

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-3

An organism’s genetic makeup is a _________________.

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-1