Genetics/ Punnet Square

Which of the following is homozygous recessive?

• rr
• AA
• TT
• Ff

Tags

NGSS.HS-LS3-1

Which of the following is homozygous dominant?

• Jj
• Rr
• MM
• ee

Tags

NGSS.HS-LS3-1

The physical appearance of a trait is known as the-

• genotype

• phenotype

• Homozygous

• intelligence

What is the probability of heterozygous offspring?

• 25%
• 50%
• 0%
• 100%

Tags

NGSS.HS-LS3-3

In plants, tall (T) is dominant to short (t).

Draw a punnett square and perform the following cross: Tt x Tt

What is the probability of producing a short plant?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-3

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What genotype would go in box 2? And is it Homozygous or Heterozygous?

• BB Heterozygous

• Bb Heterozygous

• bb Homozygous

• Bb Homozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A white flower (rr) is crossed with a white flower (rr). What is the genotype of the offspring? Draw a Punnett square and answer the question.

• 100% homozygous dominant
• 100% heterozygous dominant
• 100% homozygous recessive
• 100% heterozygous recessive

Tags

NGSS.HS-LS3-1

What does a punnet square show us?

• The age of the offspring

• The chance of a genotype (trait) showing up in offspring

• Numbers

• Blue eyes

Tags

NGSS.HS-LS4-3

What is the dominant trait here?

• Bb

• Recessive eyes

• Blue eyes

• Brown eyes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2