nickname0097
05.05.2020 •
Biology
An insect gets trapped in tree sap. The sap dries, and the insects are preserved exactly as they were in real life.
A. Amber
B. Mold
C. Cast
D. Imprint
E. Petrified
Solved
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Ответ:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).