Trait Variations

What is a variation?

• a difference between individuals of the same species

• the same trait between individuals

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-3

NGSS.HS-LS4-4

What are sex chromosomes?

• Chromosomes that have many genes to determine your eye color.

• Chromosomes that determine if you are biologically male or female.

• Chromosomes that do not determine if you are biologically male or female.

What are autosomal chromosomes?

• Chromosomes that determine just your eye color and hair color.

• Chromosomes that do not determine if you are biologically male or female.

• Chromosomes that determine if you are biologically male or female.

What is a mutation?

• No change in DNA

• Any change in DNA

• No change in RNA

Tags

NGSS.HS-LS3-2

What are the three ways genetic mutations can occur?

• expression

• addition

• deletion

• sex-linked

• substituion

Tags

NGSS.HS-LS3-2

What are the effects that mutations can have?

• only harmful effects

• Harmful, helpful and neutral

• only harmful and neutral effects

• environmental

Tags

NGSS.HS-LS3-2

When can an acquired mutation be passed from parent to offspring?

• only if the mutation occurs in sex cells

• only if the mutation occurs in the y-chromosome

• only if the parent has an acquired mutation in an autosomal chromosome

• only if neither of the parents has the mutation in sex cells.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the chances of having a male or female?

• 1:1

• 2:1

• 3:1

• 4:1

A mutation adds a single base pair at the beginning of a gene's coding sequence. How will this affect the protein made from the gene?

• The protein will be non-functional.

• The protein will work extra hard.

• The protein will not exist

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

The two sex chromosomes are X and Y. To be a male you would have which of the following chromosomes?

• XX

• XY

• YY