Genetics & Meiosis

What is the significance of Crossing Over? (select two)

• To allow genes to recombine

• To reduce genetic diversity

• To increase genetic diversity

• To duplicate gametes

What does Heterozygous mean?

• Two different alleles

• Two of the same alleles

• Two random alleles

• Two of any alleles

What does Homozygous mean?

• Two different alleles

• Two of the same alleles

• Two random alleles

• Two of any alleles

What is this a picture of?

• Transcription

• Translation

• Crossing Over

• Mitosis

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is the purpose of the event pictured here? (select two)

• To copy DNA onto RNA

• To increase genetic diversity

• To reduce genetic diversity

• To recombine genes

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Which of the following shows a Homozygous Dominant combination?

• TT

• Tt

• tt

Which of the following shows a Homozygous Recessive combination?

• TT

• Tt

• tt

Which of the following shows a Heterozygous combination?

• TT

• Tt

• tt

Show the possible gametes if you FOIL the following genotype:

TtRr

• TT RR rr tt

• TR Tr tR tr

• Tt Tr Rr Rt

• TR Tr rR tr

if R is dominant and is for red flowers, and r is recessive and for white flowers.

Which genotype would express a white flower phenotype?

• RR

• Rr

• rr