Pedigree

In the second generation-how many people are carriers of the trait?

• 2
• 3
• 5
• 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

How many individuals are there in the 3rd generation?

• 2
• 3
• 4
• 6

Tags

NGSS.HS-LS3-1

Examine the pedigree. The allele for the presence of a widow’s peak is dominant. Therefore, we can tell from the chart that in the couple labeled 2:

• the male is heterozygous and the female is homozygous.
• the male is homozygous and the female is heterozygous.
• the male is homozygous and the female is homozygous.
• the male is heterozygous and the female is heterozygous.

Tags

NGSS.HS-LS3-1

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

What is the mode of inheritance shown here?

•  Recessive
• Sex Linked
•  Dominant

Tags

NGSS.HS-LS3-1

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

• Just males
• Just females
• Both genders

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What type of heredity is shown in the pedigree?

• Autosomal
• Sex-Linked 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the mode of inheritance shown here?

• Autosomal Dominant
• Sex Linked
• Autosomal Recessive

Tags

NGSS.HS-LS3-1

What is the mode of inheritance shown here?

• Sex Linked
• Autosomal Dominant
• Autosomal Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What kind of trait is colorblindness if females can be carriers without having the disease?

• Regular trait
• Sex-linked trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2