Question

What is harmful variation?

Answer 1

Answer:

Genetic variation refers to differences in the genetic makeup of individuals in a population. ... Examples of genetic variation include eye color, blood type, camouflage in animals, and leaf modification in plants...

Explanation:

is the pairing of two homologous chromosomes that occurs during meiosis.

It allows matching-up of homologous pairs prior to their segregation, and possible chromosomal crossover between them. Synapsis takes place during prophase I of meiosis.

When homologous chromosomes synapse, their ends are first attached to the nuclear envelope. These end-membrane complexes then migrate,