Genetics 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

Which of the following is an example of an environmental factor?

• diet

• length of 2nd toe

• 6 fingers

• hitchhikers thumb

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

___________________ alleles overpowers recessive alleles.

• Dominant

• Recessive

• Codominant

• Incomplete Dominant

Dark hair is a dominant trait. If you are heterozygous for the trait, it means...

• You have 2 dominant genes for dark hair and therefore you have dark hair

• You have only recessive genes and have light hair

• You have 2 dominant genes for dark hair but do not have dark hair

• You have dark hair but also carry the recessive gene for light hair

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is NOT an environmental factor that could affect fruit production in a tree?

• thickness of trunk

• soil type

• water

• sunlight

Tags

NGSS.HS-LS4-5

By studying this diagram, you can conclude that the affected condition is...

• dominant

• recessive

• codominant

• both dominant and recessive

Tags

NGSS.HS-LS3-1

By studying this diagram, you can conclude that the affected condition is...

• dominant

• recessive

• codominant

• both dominant and recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

By studying this diagram, you can conclude that the affected condition is...

• dominant

• recessive

• codominant

• both dominant and recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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-LS3-2