Probability and Inheritance of traits

Homozygous dominate

RR

Hetrozygous

Rr

Homozygous recessive

rr

Phenotypic ratios

dominate:recessive

Geneotypic ratios

non-carrier:carrier:suffers:

If affected individual are in every generation with no skipping and affected individuals have affected parent. They are likely?

dominate

If skipping occurs, and/or affected individuals have both parents unaffected. They are likely?

recessive

A trait is Y linked if?

Only boys are affected, boy must have an affected dad and all sons of an affected male are affected

A trait is X linked if?

Affected male have an affected mom, and all daughters are affected