Variation in offspring is important in maintaining genetic diversity within a population. Which of the answer choices indicates a mechanism of introducing genetic variation in a population? Select all that apply.
A)
crossing over during meiosis
B)
fertilization of an egg by a sperm
0)
independent assortment during meiosis
D)
mitosis producing two new daughter cells
E)
binary fission resulting in two bacterial daughter cells

Cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? view available hint(s) cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? direct microscopic counts filtration count culture serial dilution count culture plate count culture

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12