Human Inheritance

A number of human traits are controlled by a single gene with one dominant allele and one recessive allele

Some human traits are controlled by a single gene that has more than two alleles, such a gene is said to have _______ ______.

(a)  

Multiple alleles have ________ form(s) of a gene that code for a single trait

List the four human blood types

___ alleles control the inheritance of blood types.

The allele of blood type A and the allele for blood type B are (a)   .

Blood type O is recessive, what are the alleles for it?

How many genes control height in humans?

The (a)   chromosomes are one of the 23 pairs of chromosomes in each body cell.

What do the sex chromosomes determine? (Two things)