Gregor Mendel discovers that . A organism have dominant and recessive traits
B organisms can learn behaviors
C genes are parts of chromosomes
D genes are chemical instructions for cells

A organism have dominant and recessive traits

check for the pregnancy rating of drug. if its class c or d see if other alternatives

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands