True or false a cartilaginous fish has no hinged structures that enable it to open and close its mouth. user: ninety-five percent of all fish belong to which of the following categories? a. sharks b. rays c. bony fish d. hagfish

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a