In the case of castrated or neutered male<span> rats, the medial preoptic area </span>has as much dopamine as normal rats, but the presence of a receptive female does not evoke much release of dopamine. Dopamine helps male sexual behavior in many species and is released just before and/or during copulation in three neural systems.
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Explanation:
Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes' non-sister chromatids that results in recombinant chromosomes. ... Crossing over is described, in theory, by Thomas Hunt Morgan.
Answer:
true c this is the answer
Answer:
A: 100%
Explanation:
We get one allele from each parent, one from mom and one from dad. Hope it helps :)
During photosynthesis, when hydrogen ions are split from the water molecules, this is called photolysis. The hydrogen atoms are then transferred to NADP+ molecule, making it NADPH. These stored hydrogen along with electrons will be used for the next cycle while the oxygen that is split from the water molecules is released to the atmosphere.