The answer is hox gene.
Hox genes are responsible for an embryo's body plan. They determine different body structures - legs, vertebrae, antennae, wings, depending on groups. Mutation in hox genes is serious mutation since it affects the early stages of embryo and consequently, normal development. If a mutation occurs in the hox gene for legs growth, the legs will not develop.
Explanation:
it is the diagram of an ovum or a human egg
A- follicle cells
B- zona pellucida
C- chromosomes
D- vitelline membrane
Answer:phospholipids is not a part
Explanation: