What advantage does the switch to sexual reproduction give the aphids?

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?

How are mitosis and meiosis similar?