What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 

• 0 in 4
• 1 in 4
• 2 in 4
• 4 in 4

Tags

NGSS.MS-LS4-4

Which of the following is/are considered to be purebreds? Select all that apply.

• AA

• bb

• Dd

• ee

Which of the following is/are an example(s) of a genotype? Select all that apply.

• tall

• purple

• AA

• wrinkled

• bb

In pea plants, tall is dominant to short. If 2 heterozygous plants are crossed, what % of the offspring will be short?

• 0%

• 25%

• 50%

• 75%

Black fur is dominant (B) over white fur (b).  Find the probability of heterozygous offspring using the following genotype of these parents.
Bb + bb

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

What would be the results of a genetic cross between the following parents?  TT + Tt

• Tt, tt, tt, tt
• TT, TT, TT, Tt
• Tt, Tt, Tt, TT
• TT, TT, Tt, Tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

It is NOT possible for two purebred black rabbits (both BB) to produce white offspring.

• True
• False

Tags

NGSS.MS-LS3-2

Which of the following genotypes are purebred?

• Pf
• Pp
• PP
• pP

What is the allele combination for square 1?

• Dd
• DD
• dd
• D

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the possibility of this offspring having a dominate trait?

• 50%
• 75%
• 25%
• 0%

Tags

NGSS.MS-LS3-2