Inheritance

Question 1

Hemizygous

Answer 1

Only 1 allele of a gene on X chromosome for males

Question 2

Codominance

Answer 2

Neither allele recessive or dominant

New phenotype expressed

Question 3

Autosomal recessive

Answer 3

Males and females equally affected
If heterozygous phenotype is not affected
Disease can look like it occurs out of no where
Can skip generations

Question 4

Autosomal dominant

Answer 4

Men and women equally affected
75% chance of having condition
Can’t skip generation

Question 5

X linked recessive

Answer 5

More males affected
Affected Father can’t give to son but all daughters at least carrier

Male must have carrier mother

Can skip generation

Question 6

Linking

Answer 6

Allele on same chromosome