Genes come in different varieties, called alleles<span>. </span>Somatic cells<span> contain two alleles for every gene, with one allele provided by each parent of an organism. It is impossible to tell exactly what gene the organism could have. </span>
Answer:
B. The population must be very large.
Explanation:
Answer:
D
Explanation:
As population grows all the above factors increase expect the biodiversity of animal and plant species.