Mendelian Genetics Quiz Review

What term best describes the colored bands on the chromosomes shown in the picture?

• homologous chromosome

• gene locus

• allele

• gamete

Why did Mendel use pea plants for his study of genetics? (Select ALL that apply)

• they reproduce quickly

• they are easy to grow

• they were the only plants available at that time

• they have many traits to observe

What principle states that one trait will mask another trait.

• Principle of Dominance

• Principle of Segregation

• Principle of Independent Assortment

• Principle of X-Linked Traits

What principle states that two alleles for a trait separate during gamete formation?

• Principle of Dominance

• Principle of Segregation

• Principle of Independent Assortment

• Principle of X-Linked Traits

What principle states that alleles for different traits separate independently of each other during gamete formation.

• Principle of Dominance

• Principle of Segregation

• Principle of Independent Assortment

• Principle of X-Linked Traits

Refer to the picture. What is the genotypic ratio of the offspring?

• 1YY:2Yy:1yy

• 4Yy

• 3Yy:1yy

• 2Yy:2yy

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Refer to the picture. What is the phenotypic ratio of the offspring?

• 4 yellow

• 2 yellow;2 green

• 4 green

• 3 yellow:1 green

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Let Y represent the allele for the pea color. Yellow is dominant over green. One parent is heterozygous for pea color and the other parent is green. What are the genotypes of the P generation?

• YY and yy

• Yy and yy

• yy and yy

• Yy and Yy

Refer to the picture. What would be the genotypes of the offspring for this Punnett square?

• 4 YY

• 1YY, 2Yy, 1yy

• 2Yy, 2yy

• 3 Yy, 1 yy

What is another term for "purebred"?

• homozygous

• heterozygous

• hybrid

• carrier