Chromosomes and Inheritance

Which of the following is homozygous dominant?

• Yy

• Y

• yy

• YY

What allele combination should go in the missing box?

• AA

• Aa

• aa

• none of these

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%

How many Chromosomes do we inherit from our parents?

• 23 from dad and 23 from mom, or 46 total

• 13 from dad and 13 from mom, or 26 total

• 13 from dad and 33 from mom, or 46 total

Tags

NGSS.HS-LS3-1

Which organic molecule is responsible for a baby having the same eye color as one of their parents?

• Proteins

• Carbohydrates

• Nucleic acids

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In cattle the allele for cloven hooves (H) is dominant over the allele for mule-foot hooves (h). The phenotype for each trait is shown in this picture. What is the probability of cloven hooves in the offspring of parents that are heterozygous for the trait?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

an organism that has inherited a recessive allele for a genetic trait or mutation but does not display that trait or show symptoms of the disease.

• carrier

• heredity

• phenotype

• purebred

Traits that are masked by others are known as...

• recessive traits

• dominant traits

What type of Genotype is this: AA?

• Homozygous

• Heterozygous

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B