Pedigrees and X linked traits

Which statement best describes how this trait is inherited?

• The trait is sex- linked because both boys and girls can have it

• the trait is autosomal because both boys and girls can have it

• the trait is sex linked because it is primarily in boys

• the trait is sex linked because we can't determine whether its dominant or recessive

If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true

• All sons will have hemophilia
• all daughters will have hemophilia
• 50% of daughters and 50% of sons have hemophilia
• 100% of sons have hemophilia and 100% of daughters are carriers

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If this is a dominant trait, which of the individuals would be a carrier

• I- 2

• II-4

• II -7

• II-8

Is it possible for individual IV-2 to be a carrier? Why?

• No, because her parents don't have the trait.

• No, because she doesn't have the trait.

• Yes, because she has the dominant trait

• Yes, because her parents are carriers.

Which gender can be carriers of colorblindness and not have it?

• Just males
• Just females
• Both genders

Why does individual IV-5 have colorblindness?

• Because his mom is a carrier.
• Because his dad has it.
• Because his siblings have it.
• Because his uncle has it.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Why do all the daughters in Generation II carry the colorblind gene?

• Because mom passed on the gene.
• Because dad passed on the X chromosome.
• Because their brother has it.
• Because their brother gave it to them.

Tags

NGSS.HS-LS3-1

Give the genotype for person III-3

• GG
• Gg
• gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Give the genotype for person II-1

• GG
• Gg
• gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a trait shows up more commonly in men than women it is probably

• not inherited
• on the x chromosome and dominant
• on the x chromosome and recessive
• on a normal body chromosome