monohybrid and dihybrid crosses

AA and Aa always show up as

• dominant
• recessive

Tags

NGSS.HS-LS3-1

aa always shows up as

• dominant
• recessive

Tags

NGSS.HS-LS3-1

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

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

Which of the following is homozygous recessive?

• Tt
• tt
• TT
• T

What are the possible genotypes for this cross?

• TT = 25% Tt= 50% tt=25%
• all tall
• TT= 75% tt = 25%
• Tt = 100%

This is an example of a ______________.

• phenotype
• genotype
• xenotype
• base pairs

This is an example of _____________.

• phenotype
• heliotype
• DNA
• genotype

This cross can prove the law of segregation. Mendel crossed two parents that were

• heterozygous for flower color

• homozygous for flower color