Variations in a genotype could be major or minor. It really depends on the degree of change. A genotype changes due to errors mutations. Some are endogenous, occuring with the organismm often during meiosis that causes changes in a genotype.
Learn more about here: https://www.quora.com/What-causes-variation-in-genotypes-How-does-this-occur
Answer:
Bacteria take DNA from their environment.
Explanation:
"Bacteria take DNA from their environment" is what best describes transformation in bacteria.
This is because Pangaea explains that once there was one huge country that expanded across the whole world, but it split apart and animals that were once next to each other were drifting apart to other parts of the world where both would survive on both sides.
A cladistic analysis shows the order in which derived characters evolved
Answer:
Characterstics of larva of silkworm on the basis of body structure is given :
1) The body of larva of silkworm consist of head, thorax and abdomen. The mouth part consist of pair of strong mandibles and a pair of lip.
2) There are three segments of thorax region. Each segment bears a pair of legs. The abdomen part is divided into ten segments. The third, fourth, fifth, sixth and ninth abdominal part produces abdominal appendages called false legs.
