Genetics Regents Review

Which individual in the first generation is a carrier?

• The male

• The female

• individual 1

• None of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

G = green, g = yellow
The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following alleles is homozygous (purebred) recessive?

• Tt

• tt

• TT

• t

How many alleles (letters) do each person carry for a trait?

• 1

• 2

• 3

• 4

Which of the following is a phenotype?

• Aa

• red hair

• heterozygous

• DNA

W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?

• none

• 3/4

• 1/2

• all

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a homozygous black cat (BB) is crossed with a homozygous white cat (bb), what is the probability of having a cat with white fur?

• 100%

• 0%

• 75%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What do half colored symbols represent?

• The individual is a carrier (heterozygous).

• The individual expresses the trait.

• The individual has both recessive alleles.

• The individual has both dominant alleles.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many kids did the mother and father from the first generation have?

• 2

• 4

• 5

• 6

Tags

NGSS.HS-LS3-1

Who is the Father of Genetics?

• Robert Hooke

• Gregor Mendel

• Albert Einsten

• Albert Wegener