The earth rotates around its axis as it revolves around the sun. it takes the earth one year to complete a revolution.
To provide energy to the body.
Lethal alleles cause the death of an organism prenatal or after the birth. Lethal alleles are usually a consequence of a mutation and they can be recessive, dominant or conditional. Since the lethal dominant alleles are harmful whether they are carried in homozygous (e.g.AA) or heterozygous (e.g.Aa) form, a strong selection against them is present and thus these alleles are much more rare.
Answer:
ok and what about them ??????????
You should have a pizza party
