Honors Genetics Review

What disease is characterized by abnormally shaped red blood cells?

• hemophilia
• sickle cell anemia
• phenylketonuria
• Huntington's 

Which disorder is characterized by the inability to break down a specific amino acid and can be treated by a special diet?

• Huntington's
• Tay Sachs
• Cystic fibrosis
• PKU

Which genetic disorder is caused by a dominant allele?

• Huntington's
• Hemophilia
• Cystic fibrosis
• PKU

This genetic disorder is inherited by a recessive allele found on the X chromosome.

• PKU
• Cystic fibrosis
• Down's syndrome
• Hemophilia

Tags

NGSS.HS-LS3-1

Which genetic disorder is sex-linked?

• Huntington's
• cystic fibrosis
• red-green colorblindness
• sickle cell anemia

Which disorder is characterized by degradation of the nervous system and usually results in death during infancy?

• Tay-Sachs
• Cystic fibrosis
• Huntington's
• PKU

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

Tags

NGSS.HS-LS3-1

Having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• Ggg