Pedigrees

In a pedigree, which shape represents a male?

• circle

• square

On a pedigree, this symbol represents a ----

• not affected male.

• not affected female.

• affected male.

• affected female.

Tags

NGSS.HS-LS3-1

On this pedigree, the allele for the forelock hair trait is dominant. The couple labeled 2 both have the forelock hair, but have a daughter who does not have the trait. Therefore, we can tell from the chart that for the couple labeled 2 -

• the male is heterozygous and the female is heterozygous.

• the male is homozygous recessive and the female is homozygous dominant.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Is this trait (the shaded individuals) dominant or recessive?

• dominant
• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

• HH

• Hh

• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What type of heredity is shown in the pedigree?

• Sex-Linked Dominant

• Sex-Linked Recessive

• Autosomal Dominant

• Autosomal Recessive

Tags

NGSS.HS-LS3-1

There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?

• Dominant
• Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Huntington's Disease is a dominant trait.
What is the correct genotype for individual I-2?

• HH
• Hh
• hh
• H_

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Does this pedigree show a dominant or recessive trait?

• Dominant
• Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Give the genotype for person III-3

• GG
• Gg
• gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2