Examlex
The hormones directly necessary for the development of sperm in the testes are:
Genotype
The genetic makeup of an individual organism, including all of their genes, both expressed and not expressed.
Phenotype
Phenotype is the set of observable characteristics or traits of an organism, resulting from the interaction of its genotype with the environment.
Molecule
The smallest unit of a chemical compound that can exist, consisting of two or more atoms bonded together.
DNA
Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.
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