MENDEL GENETICS

Which of the following genotypes is homozygous recessive?

• RR
• Rr
• rr
• None of the Above

Brown (B) is dominant over white (b). Which genotype is a purebred for brown fur?

• BB
• Bb
• bb
• All of the above

Tags

NGSS.HS-LS3-1

If something is heterozygous, it is also...

• purebred
• hybrid
• dominant
• recessive

Tags

NGSS.HS-LS3-2

What does a Punnett Square help you do?

• Determine the ratio of phenotypes
• Determine the ratio of genotypes
• Predict possible traits the offspring will have
• All of the above

Tags

NGSS.HS-LS3-3

A phenotype is the...

• letter combination
• dominant gene
• recessive gene
• physical appearance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Another word for homozygous is...

• purebred
• hybrid
• heterozygous
• dominant

Tags

NGSS.HS-LS3-1

 Dominant alleles are-

• capital
• lowercase
• both
• neither

 Recessive alleles are-

• capital
• lowercase
• both
• neither

Tags

NGSS.HS-LS3-2

Purple is dominant to white. A heterozygous purple flower is crossed with a white flower. What are the genotypes and phenotypes of the offspring?

• 100% Pp (purple)
• 50% Pp (purple); 50% pp (white)
• 75% Pp (purple); 25% pp (white)
• 25% PP, 50% Pp, 25% pp
  75% purple, 25% white

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT
• Tt
• tt
• tT

Tags

NGSS.HS-LS3-1