Apatch of forest has been cleared to build a house. which is likely to happen to the plant and animal communities of that forest patch?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

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?

Is there any solid scientific evidence that humans have been cloned?