In a population of 1000 moths, there are 700 moths with dark brown wings and 300 moths with light brown wings. what is the frequency of each phenotype in this population?

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

Which event would lead to primary succession of a forest?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?