3 years ago

What is the difference between a single gene trait and a complex (polygenic) trait?

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Single gene traits: controlled by a single gene that has two alleles (ex: widow's peak) – only two phenotypes are possible – widow's peak or no widow's peak.Polygenic traits: controlled by two or more genes. Has 2 or more alleles. One polygenic trait can have many possible genotypes and phenotypes!

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How do the four female hormones control the menstrual cycle

pishuonlain [190]

Answer: The menstrual cycle is regulated by hormones. Luteinizing hormone and follicle-stimulating hormone, which are produced by the pituitary gland, promote ovulation and stimulate the ovaries to produce estrogen and progesterone.There are four major hormones (chemicals that stimulate or regulate the activity of cells or organs) involved in the menstrual cycle: follicle-stimulating hormone, luteinizing hormone, estrogen, and progesterone. hope this helps have a nice night❤️❤️❤️

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