4) Matching.

A new genetic trait can result from the___of chromosomes during.

A trait is any gene-determined characteristic and is often determined by more than ... by mutated genes that are inherited or that are the result of a new gene mutation. ... A karyotype is a picture of the full set of chromosomes in a person's cells.

Explanation:

answer; i believe the correct answer is (anemia);

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.