Genetics Unit Review

For snakes, L represents the gene for long offspring and l represents the gene for short offspring. If long (L) is dominant over short (l), which of the following can be said about genotype Ll?

• It produces a long snake

• It produces a short snake

• It produces a medium snake

• It produces a snake with bunny ears

Tags

NGSS.HS-LS3-1

In humans, who is responsible for determining the gender of the offspring?

• male

• female

• neither

• it is random

An alien family moves in next door. Their youngest boy has blonde hair inside, but when he is in the sunlight, it turns bright blue. This could mean...

• The environment must affect the expression of this trait

• This cannot be explained. They're ALIENS!

• The blue hair gene is from his mom and the blonde hair gene is from his dad

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A blonde man and a brunette woman fall in love, get married and have 3 kids. One of their children has blonde hair. What must be the genotype of the mother for one offspring to be blonde?

• HH

• HB

• Hh

• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which is NOT a genotype for Type A Blood?

• AO

• AA

• AB

Which Blood Type is recessive

• Type A

• Type B

• Type AB

• Type O

A pink bunny and a green bunny reproduce and have green bunnies with pink polka dots. This is known as...

• Incomplete Dominance

• Codominance

• Dominance

• Easter Bunny Syndrome

A Homozygous Dominant brown-eyed dog is crossed with a Heterozygous brown-eyed dog in this Punnett Square. What is the probability that each offspring will be blue-eyed?

• 100%

• 50%

• 25%

• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

A female with A blood and a male with B blood have an offspring with type O blood. Which of the following correctly identifies the parents' genotypes?

• AO & BO

• AA & BB

• AO & BB

• AA & BO

Tags

NGSS.HS-LS3-1

Which allele combination represents a male who has an X-linked recessive disorder?

• X^rY

• X^RY

• X^rX^r

• X^RX^r