[Answer] A(n) __________ is created when sperm meets egg and contains all DNA necessary to create a person.A.zygoteB.blastocystC.embryoD.fetus Elements compounds and mixtures

Answer: A Practical 4: Digestive/Urinary/Reproductive

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A(n) __________ is created when sperm meets egg and contains all DNA necessary to create a person.A.zygoteB.blastocystC.embryoD.fetus Elements compounds and mixtures The mechanisms of reproductive isolation are a collection of evolutionary mechanisms behaviors and physiological processes critical for speciation.They prevent members of different species from producing offspring or ensure that any offspring are sterile.These barriers maintain the integrity of a species by reducing gene flow between related species. ... Estrogen or oestrogen is a category of sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics.There are three major endogenous estrogens that have estrogenic hormonal activity: estrone (E1) estradiol (E2) and estriol (E3). Estradiol an estrane is the most potent and prevalent.. Another estrogen called estetrol (E4 ... Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes that are passed on from parent to offspring during reproduction.Different characteristics tend to exist within any given population as a r...

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