Heredity/Genetics Test Review

Which of the following is Homozygous Dominant?

• TT

• Tt

• tT

• tt

Tags

NGSS.HS-LS3-1

In corn plants, green (G) is dominant to white (g) recessive. According to the Punnett square, what is the chance of this heterozygous cross producing white corn plants?

• 50%

• 75%

• 100%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is the gene combination of the offspring from the corn parents shown?

a. 25% GG, 50% Gg, 25% gg

b. 25% GG, 75% Gg

c. 50% GG, 50% Gg

d. 100% Gg

• a

• b

• c

• d

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Factors that control traits are called ________________.

• Genes

• Purebreds

• Recessives

• Parents

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The different forms of a gene that you receive from each parent are called ____________.

• Alleles

• Factors

• Masks

• Traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If there are two different alleles for a trait, it is considered to be?

a. Hybrid

b. Trait

c. Purebred

d. Factor

• Hybrid

• Trait

• Purebred

• Homozygous

Tags

NGSS.HS-LS3-1

What does the notation tt mean?

a. Two dominant alleles

b. Two recessive alleles

c. One dominant and one recessive allele

• a

• b

• c

Tags

NGSS.HS-LS3-1

An organism’s physical appearance is its ________________?

• Genotype

• Phenotype

• Co-dominance

• Heterozygous

Tags

NGSS.HS-LS3-2

In guinea pigs, black fur (B) is dominant over white fur (b). If a Bb guinea pig mates with a bb guinea pig, how many different phenotypes of fur color could be expected in the offspring?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Which structures inside the nucleus contain the DNA information for the inheritance of traits?

a. Cell wall

b. Cell membrane

c. Vacuole

d. Chromosomes

• a

• b

• c

• d

Tags

NGSS.HS-LS3-1