B. homozygous for the recessive allele.
The only way you have a disease caused by a recessive allele is that both of your copies are recessive.
They do not have a distinct head and thorax but a fused version of the two called a cephalothorax. That's one of the major differences between insects and crustaceans, both being subgroups of arthropods.
Answer:
1.Sensory receptors are structures in your sense organs that react to a physical
stimulus in the environment.
Explanation:
Hope it helps.
Mitosis is when a single cell splits apart and creates two new cells that are identical to the parent cell.