Pedigree and Dihybrid

What goes in box 3

• Aabb
• AABB
• AAbb
• aaBb

What goes in box 15

• aabb

• AABB

• aaBB

• AAbb

What is the genotype for a pea plant heterozygous for round seeds (R), and homozygous recessive for green seeds (y)?

• Ry
• RRyy
• RrYy
• Rryy

In a dihybrid cross

• one trait is crossed.
• two traits are crossed.
• four boxes are needed for the punnett square.
• mom's alleles are dominant.

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

• 9/16

• 3/16

• 1/16

• 16/16

Based off this punnett square, what fraction of the offspring will have wrinkled, green seeds?

• 9/16

• 3/16

• 1/16

• 16/16

What is the genotype for a pea plant homozygous for round seeds (R), and heterozygous for yellow seeds?

• RrYy

• RRyy

• RRYy

• rryy

A person with the genotype BBMm could produce which of the gametes below ...

• Bb

• BM

• bM

• Bm

Is this trait (the shaded individuals) dominant or recessive?

• dominant
• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a trait SKIPS a generation in a pedigree, it is an indication that the trait is....

• dominant
• recessive
• incompletely dominant
• co-dominant