Pedigree and Punnett Square Review

 Phenotype refers to the _________ of an individual

• genetic makeup
• physical appearance
• recessive alleles
• dominant alleles

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

 An individual with two different alleles for a specific trait is said to be _____________.

• homozygous
• heterogenous
• homogenous
• heterozygous

Which of the following correctly states the genotype probabilities for the offspring of the parents shown in this punnett square?

• 50% heterozygous 50% homozygous dominant

• 50% heterozygous 50% homozygous recessive

• 50% heterozygous 25% homozygous recessive 25% homozygous dominant

• 100% heterozygous

Which of the following correctly states the genotype probabilities for the offspring of the parents shown in this punnett square?

• 50% heterozygous 50% homozygous dominant

• 50% heterozygous 50% homozygous recessive

• 50% heterozygous 25% homozygous recessive 25% homozygous dominant

• 100% heterozygous

G = green, g = yellow

The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

T - tall and t = short

In the Punnett square, what belongs in the missing square?

• tt

• Tt

• TT

Which genotype(s) will show a dominant trait? (Example: Brown Eyes vs. Blue Eyes)

• BB

• Bb

• bb

Which genotype(s) will show a recessive trait? (Example: Blue Eyes)

• BB

• Bb

• bb

What is this?

• Pedigree
• Karyotype
• Venn diagram
• Punnett Square