CFA #8 Genetics and Evolution

Because hemophilia is a sex-linked disorder, it occurs more frequently in females than males?

• True
• False

What is this?

• Pedigree
• Karyotype
• Venn diagram
• Punnett Square

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

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

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

Hemophilia is a recessive sex-linked trait. If H = normal & h = has hemophilia, which genotype represents a male with hemophilia. 

• X^HY
• X^HX^h
• X^hX^h
• X^hY 

Tags

NGSS.HS-LS3-1

This trait is recessive.  What is the genotype for person II-1?

• GG
• Gg
• gg
• can't be determined

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The blending of two traits is known as ---

• incomplete dominance

• codominance

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

• Codominance

• Incomplete dominance