Examlex
It is generally accepted that independent mutation rather than gene duplication is the mechanism for evolution of most new genes.
Kidneys
Organs in the urinary system responsible for filtering waste products from the blood and excreting them in urine.
Ovaries
Female reproductive organs in vertebrates that produce eggs (ova) and hormones like estrogen and progesterone.
Adrenal Hormones
Chemical messengers produced by the adrenal glands, involved in stress responses, metabolism, immune system, and other bodily functions.
Emotion
A complex psychological state that involves an experience of thought, physical responses, and cultural or social expressions.
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