Phenotypes and Genotypes

Determine the resulting phenotype based on the genotype below.

Tt

If all the offspring are purple, what is the genotype of the parent? (hint: it tells you the first letter)

• PP

• Pp

• pp

Tags

NGSS.HS-LS3-1

If half the offpspring are white, and half the offspring are purple, then what is the genotype of the purple parent? (same hint here, it gives you the first letter)

• PP

• Pp

• pp

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A gene is __________

• the study of inheritance

• a physical trait

• a section of DNA that codes for a trait

Tags

NGSS.HS-LS3-1

A genotype is _____________

• a combination of alleles

• the physical appearance of an organism

• a genetic mutation

A phenotype is ___________

• a combination of alleles

• the physical appearance of an organism

• a genetic mutation

The genotype yy is ________________

• homozygous dominant

• heterozygous

• homozygous recessive

The genotype TT is __________

• homozyous dominant

• heterozygous

• homozygous recessive

Tags

NGSS.HS-LS1-1

The genotype Qq is _________

• homozygous dominant

• heterozygous

• homozygous recessive

Which of these genotypes is homozygous recessive?

• RR

• Rr

• rr