Monohybrid Punnett Squares 12/2

What chance does the offspring have of showing a dominant trait?

• 100%
• 75%
• 50%
• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What chance does the offspring have of showing a recessive trait?

• 50%
• 75%
• 100%
• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is the genotype for the black chickens?

• BB
• Bb
• bB
• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the phenotype for Bb?

• Black chicken
• Blue Chicken
• Dominant
• Red spot

Tags

NGSS.HS-LS3-1

If two black chickens (genotype bb) mated, would there be a chance of having Blue (Bb, BB) chickens?

• No chance
• 50% chance
• 25% chance
• 100% chance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

NGSS.HS-LS3-2

If T=Tall & t=short, what is the genotypic ratio?

• 1:3
• 3:1
• 1:2:1
• 2:2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A heterozygous yellow pea plant's genotype would be:

• YY
• yy
• Yy
• Yg

Tags

NGSS.HS-LS3-1

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.HS-LS3-1

NGSS.HS-LS3-3

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both 

Heterozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present

Tags

NGSS.HS-LS3-2