Two ways:
1. In prophase I of meiosis the homologous chromosomes synapse and crossing over occurs. This switches sections of two of the sister chromatids so the outer two chromatids have the same mix of alleles as the parents and the inner two chromatids have new combinations of alleles.
2. Meiosis puts only one of each kind of chromosome in the gametes, selecting one of each homologous pair at random. Then when each gamete joins with the gamete from the other parent, there are practically infinite combinations of the alleles possible.
d bc (a b c and d) r the same to make a tidepool
Answer:
astronauts
Explanation:
An astronaut is a trained personnel who is authorized to work for the spacecraft and works related to space travel. Academic subjects related to the study of the astronaut are electrical engineering, astrophysics, biochemistry, aeronautics, and geology. The astronauts' works are inclined towards performing experiments, launching satellites, and exploring the space.
I think it’s number 4, I might be wrong.
Answer:
A dimer (/ˈdaɪmər/) (di-, "two" + -mer, "parts") is an oligomer consisting of two monomers joined by bonds that can be either strong or weak, covalent or intermolecular. The term homodimer is used when the two molecules are identical (e.g. A–A) and heterodimer when they are not (e.g. A–B).
Explanation:
