What prevents the back flow of urine from the urinary bladder to the kidneys /5894516/86d94a98? utm_source=registration

Why is a dominant allele called dominant

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

Ture or false evidence for evolution includes millions of fossils