Punnett square review

Which of the following are GENOTYPES? (select all correct answers)

• black hair

• homozygous dominant

• heterozygous

• blue eyes

• BB

PHENOTYPE is

• the genetic make-up of an organism

• the physical trait of an organism

• nucleic acid

• Aa

Which of the following are PHENOTYPES?

• green skin

• Aa

• homozygous recessive

• purple eyes

• black fur

Which of the following represents alleles for the homozygous dominant genotype?

• Aa

• aa

• AA

Which of the following represents alleles for the homozygous recessive genotype?

• Aa

• aa

• AA

Which of the following represents alleles for the heterozygous genotype?

• Aa

• aa

• AA

If A = red fur and a = white fur, what color fur would Aa be? (COMPLETE DOMINANCE)

• red

• white

• purple

• blue

If A = red fur and a = white fur, what color fur would AA be? (COMPLETE DOMINANCE)

• red

• white

• purple

• blue

What is a GENOTYPE?

• the genetic make-up of an organism

• the physical trait of an organism

• mitosis

• meiosis

What are the possible genotypes for this cross? And what percentage of each is produced? (if this isn't familiar, re-watch this week's videos!)

• TT = 25% Tt= 50% tt=25%

• all tall

• TT= 75% tt = 25%

• Tt = 100%