Mendelian Genetics Practice: Mendel's Laws & Two-Factor Crosses

What genotype is missing from this Punnett Square?

• RrYy

• RRYY

• rryy

• RrYY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Based off this Punnett square, what fraction of the offspring will have wrinkled, yellow seeds?

• 9/16

• 3/16

• 1/16

• 16/16

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

A male beetle has the genotype Aarr. If this beetle mates with a female with genotype AARr, what is the chance their offspring will have the genotype AaRr?

• 3/16

• 4/16 (which reduces to 1/4)

• 8/16 (which reduces to 1/2)

• 12/16 (which reduces to 3/4)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

Tags

NGSS.HS-LS3-1

Aa, DD, Bb, yy are all examples of

• genotypes

• phenotypes

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Tags

NGSS.HS-LS3-1

Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A white mouse with red eyes is crossed with a black mouse with brown eyes. The white mouse is recessive for both of its traits. The black mouse is dominant for both of its traits.

This cross would be best represented by which genotypes?

• BBEE x bbee

• BBEe x BbEe

• BbEE x BbEe

• BBee x BBEE

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What goes in box 3?

• Aabb

• AABB

• AAbb

• aaBb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What gamete possibilities could come from this parent's genotype?

• AB, AB, aB, aB
• Ab, AB, Ab, ab
• Ab, Ab, Ab, Ab
• AB, aB, ab, aB

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2