Mendelian Genetics

What is the percentage of homozygous recessive offspring?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?

• Gg
• gg
• GG

Tags

NGSS.HS-LS3-1

Dominant alleles are represented by a(n)

• phenotype
• lower case letter
• upper case letter
• punnett square 

True or False:
A heterozygous dominant trait can be written as BB.

• True
• False

What is the percentage of a homozyogus dominant offspring?

• 75%
• 50%
• 25%
• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What do you call the physical expression of a gene?

• genotype
• dominant
• phenotype
• allele

Tags

NGSS.HS-LS1-1

NGSS.HS-LS4-3

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following best describes a GENOTYPE?

• The allele/genetic makeup of an organism.
• The physical expression of a trait.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The letters on the TOP AND SIDE of a punnett square represent ______________.

• The combination of alleles in offspring.
• The possible alleles given by the parents following meiosis.
• The genotype and phenotype of offspring.
• The results of genetic mutations in offspring.

Tags

NGSS.HS-LS3-1

What is the predicted percentage of homozygous recessive offspring in this cross?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3