Answer:
Crossing the hygienic queen with hygienic drones.
Explanation:
For producing hygienic workers (females) in the F2 generation, the hygienic queen must be cross with hygienic drones. Due to this crossing most of the offspring produced will be hygienic due to presence of dominant allele of hygienic. Both the male and the female bees have dominant allele of hygienic so the maximum number of offspring produced will be of hygienic and very low number of offspring is produced having unhygienic allele.
The correct answers are:
Trematodes are acoelomates that have effective defenses against attack by their hosts' immune system.
Trematodes are flatworms, internal parasites known as flukes. Their life cycle is complex: they sexually reproduce in vertebrates and asexual reproduce in mollusks (mostly snail). The body of flukes is covered with tough tegument that defends them form digestive enzymes of host’s intestine.
Cnidarians are diploblasts that produce complex, capsule-like organelles.
Cnidaria are water organisms with simple structure: two layers of epithelium and a jelly substance between them. The cells of Cnidaria-cnidocytes contain capsule with venom substance in it with protective role.
Plants store starch which is a complex carbohydrate. This can be broken down into a simple one known as glucose. They then use glucose for energy.
<span>deoxyribonucleic acid or DNA. </span>
