Trait Variation

What is a variation?

• a difference between individuals of the same species

• the same trait between individuals

Tags

NGSS.MS-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 is a mutation?

• No change in DNA

• Any change in DNA

• No change in RNA

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

NGSS.HS-LS4-2

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

Tags

NGSS.HS-LS3-3

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

• XX

• XY

• YY

What are things that cause changes in the DNA sequence called?

• dangerous
• unfortunate
• interferon
• mutagens

Tags

NGSS.HS-LS3-2

Example of mutagens

• all
• x-rays
• ultraviolet radiation
• tobacco

Tags

NGSS.HS-LS3-2