Monohybrid Cross Practice

Genevive, the hairless guinea pig, has the genotype:

• HH

• Hh

• hh

• hH

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Fred, the hairy guinea pig, has the genotype ____ or ____. (choose 2 answers)

• HH

• Hh

• hh

• hH

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If Fred was genotype homozygous dominant and mated with Genevieve, what Punnett square would be used?

• 
• 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If Fred was genotype heterozygous and mated with Genetieve, what Punnett square would be used?

• 
• 

Tags

NGSS.HS-LS3-2

Assuming that having hair for guinea pigs follows Mendelian inheritance, where the H dominant allele codes for hair and h codes for a lack of hair (hairless). This particular Guinea Pig is Purebred.

• Heterozygous

• Homozygous

Tags

NGSS.HS-LS3-1

Assuming that having hair for guinea pigs follows Mendelian inheritance, where the H dominant allele codes for hair and h codes for a lack of hair (hairless). This particular Guinea Pig is Purebred.

• Heterozygous

• Homozygous

Tags

NGSS.HS-LS3-1

If two purebred species (BB) are crossed, what percentage of their offspring would be BB?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

What percentage of the offspring will be heterozygous dominant?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a monohybrid cross, what is the probability that the offspring will be heterozygous when both parents are heterozygous for a trait?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-3