Dihybrid Crosses

If you have a parent who has GgBb as their genotype, what are the possible alleles they could donate to their gametes?

• GB, Gb, gB, gb
• GB, GB, gb, gb
• Gb, Gb, Gb, GB
• GG, BB, gg, bb

Tags

NGSS.HS-LS3-1

T4 - 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

In watermelons, green rinds (G) are dominant to striped rinds (g).  What is the genotype of a heterozygous green watermelon?

• GG
• Gg
• gg
• green

Tags

NGSS.HS-LS3-1

Assume dad's gametes are on top, what is his genotype?

• AAPP
• AaPp
• aaPP
• Aapp

Tags

NGSS.HS-LS3-2

Assume mom's gametes are on the left, what is her genotype?

• TTZz
• TtZz
• ttZZ
• TtZZ

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

One of the two forms of a gene is called a(n)

• genotype
• allele
• hybrid
• trait

A genotype is

• the listing of the alleles for the trait
• the physical appearance of the trait
• the separation of the chromosomes
• the letters seen on the outside of the Punnett square

This is an example of a ______________.

• phenotype
• genotype
• xenotype
• base pairs

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The genetic make up of this flower is ________.

• homozygous recessive
• heterozygous
• homozygous dominant
• white

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• 9/16

• 3/16

• 1/16

• 16/16

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2