once an egg has been fertilized,
a zygote is formed
a barrier to other sperm forms immediately
new genes are formed
cytoplasm is always exchanged(can be more than one answer)
the zygote becomes haploid

What type of lipids are found in all biological membranes?

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring