How could a greater knowledge of extremophiles scientists to search for life on other planets?

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?

Which type of landforms forms at the plate boundary as a result of divergent stress

Explain the significance of meiosis in sexual reproduction