Missouri Biology EOC

What are the possible genotypes for this cross?
(Click the picture to see it without the text)

• TT = 25% Tt= 50% tt=25%

• all tall

• TT= 75% tt = 25%

• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An offspring will receive how many alleles from each parent to determine a specific trait?

• one

• two

• three

• five

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is a phenotype?

• BB

• Bb

• bb

• Blue eyes

Incomplete dominance means that the traits are

• expressed equally

• dominant

• recessive

• blended

One form of a gene is called_______________

• DNA

• Phenotype

• trait

• allele

Tags

NGSS.HS-LS1-1

If green is dominant over purple, then what is the genotype for this individual?

• Purple

• Green

• GG

• gg

Tags

NGSS.HS-LS3-1

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S

• Tall = T
  Short = t

• Tall = t
  Short = T

• Tall = TT
  Short = tt

Tags

NGSS.HS-LS3-1

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which of the following genotypes is homozygous dominant?

• Yy

• yY

• yy

• YY

If you cross a black guinea pig with a white guinea pig and the offspring are gray, what type of dominant trait would that be.

• incomplete dominance

• codominance

• codependant

• cooperative

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2