Monohybrid Crosses

In a simple monohybrid cross, like a heterozygous green crosses with a homozygous green, the genotypes for the offspring could be

• 25% GG, 25% Gg, and 50% gg

• 25% green and 75% yellow

• 50% GG and 50% Gg

• all green peas

In a simple monohybrid cross, like a heterozygous green crosses with a homozygous green, the phenotypes for the offspring could be

• 75% green and 25% yellow peas

• 50% green and 50% yellow

• all 100% green peas

• 50% GG and 50% Gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If two parents are heterozygous for being tall, then the parents genotypes are

• TT

• Tt

• tt

Tags

NGSS.HS-LS3-1

Monohybrid means that there is

• only one trait in the cross

• there are two traits in the cross

• there is a mixed of one type of plant

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

Which of the following is homozygous recessive?

• Tt
• tt
• TT
• T

An organism’s physical appearance, or visible traits

• Recessive
• Genotype
• Phenotype
• Heterozygous

An organism’s genetic makeup, or allele combinations

• Recessive
• Genotype
• Phenotype
• Heterozygous

Tags

NGSS.HS-LS3-2