What are the genotypes for the parents?

What percentage of the offspring is homozygous dominant?

If "B" is dominant for brown hair and "b" is for blonde hair, what percentage of the offspring would have brown vs. blonde hair?

What percentage of the offspring is homozygous recessive?

Which letters would go in the upper left box of the Punnett square?

What percentage of the offspring would express the dominant trait "T"?