Nerve cells is the correct answer :)
Answer:
Although an individual gene may code for a specific physical trait, that gene can exist in different forms, or alleles. ... In other cases, each parent provides a different allele of a given gene, and the offspring is referred to as heterozygous ("hetero" meaning "different") for that allele.
Answer:
Allele frequencies change randomly each generation is the example of genetic drift.
Leukemia can be treated using human stem cells to attack and destroy cancer cells.
Answer:
the connective tissues includes several types of fibrous tissue that vary only in their density and cellularity as well as the more specialized and recognizable variants- Bone ligament, tendons, cartilage, and adipose fat tissue.
