Answer:
A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene. For example, the gene for eye color has several variations (alleles) such as an allele for blue eye color or an allele for brown eyes.
Explanation:
Answer:
True
(I am not 100% sure because the question is very short with no context, but I believe it to be true)
A representation of earths rounded surface on a flat surface is called___a map.
Answer:
Rex is not a Tyrannosaurus rex because each of his hands has three fingers. Tyrannosaurus had only two fingers on each hand.
Facilitated diffusion occurs in the cell body. It is the process of transporting particles into and out of a cell membrane. Energy is not required because the particles move along the concentration gradient. Permeable means that particles, ions, or water can cross the membrane. Hope I’ve helped ;)