Heredity and Hormone

Heredity and Hormone

  • Submitted By: SylMac
  • Date Submitted: 01/18/2009 5:14 PM
  • Category: Science
  • Words: 579
  • Page: 3
  • Views: 1

CheckPoint: Heredity and Hormones Notes

The genetic make up of hereditary can impact the human behavior and hereditary is already present in your genes. May be you will show such behavior because of hereditary once in a day but it is always there. However, the behavior can change which creates the contrast from hereditary and such cases arises in the case of the changes in the hormonal balance in the body because of diet changes.

The smallest of the endocrine gland which is located in the brain, is the pineal gland. The gland is responsible for when a person sleeps and wakes by releasing the hormone name melatonin.

Genes are which give us different hereditary characteristics. They do have an effect on behavior; but, not single genes. Behaviors are complex and involve various genes among many other factors. Genetics are just partly what affects behaviors. As a complex attribute behavior is affected by both genetic and environmental aspects. Although the existence of specific hereditary factors boost or diminish the effects of others, when the genetic and environmental factors act together they show the most effect on human behavior. Morris, P (2000) shows his opinion on how we have to understand the influence of both heredity and environment on human behavior…”some traits are purely genetic, and these traits have a high heritability; other traits are strongly influenced by the individual's environment, and their heritability is low; many traits.

Endocrine system, made up of glands that secrete chemical messages into the blood. The other communication system in the body—is made up of endocrine glands that produce hormones, chemical substances released into the bloodstream to guide such processes as metabolism, growth, and sexual development. The thyroid gland secretes thyroxin, a hormone that can reduce concentration and lead to irritability when the thyroid is overactive.

Within the thyroid are four tiny pea-shaped organs, the parathyroids, which...

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