Genetics

If the dominant trait is having freckles (F) and the recessive trait is no freckles (f), which allele combination(s) below would represent a person who has freckles? (select all that apply)

• FF

• Ff

• ff

Tags

NGSS.HS-LS3-1

A ________ trait is the version that usually gets covered up, like blue eyes.

Mutations can be negative because

• They can cause cancer

• They can cause birth defects

• They can help an organism thrive in its environment.

• They can affect offspring.

Tags

NGSS.HS-LS3-2

Two brown eyed parents (Bb) have a baby. What is the chance their baby is blue eyed?

• 0 %

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Look at the punnett square shown. What allele pair would replace the "?"

• WW

• Ww

• ww

Tags

NGSS.HS-LS3-1

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele

A physical appearance is

• genotype

• heterozygous

• phenotype

• codominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Each one of the boxes on the Punnett square represents what probability of an offspring's genotype?

• 25%

• 1%

• 10%

• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is the mother's genotype?

• DD

• Dd

• dd

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Any change in a gene is called a

• disease

• mutation

• recessive

• trait

Tags

NGSS.HS-LS3-2