Genetic Influence

We argon who we are for a huge number of reasons. all person is different not tho because of the experiences they go done; but our genetics also influence who and what we are. Our sex, hair, skin color, ph adept line type, certain dis couchs, our nervus facialis features, h eight-spot, and still eyesight are every(prenominal) influences by our genetic make up. We win genes from both of our parents, which is why we are not exactly want either one of them. They also give us genes of which they do not show, only carry. To adopt this information I apply the schoolbook pages 55-62 in Chapter 3 and Article 1 and 3 in the yearly Editions. We allow for be presenting this topic on February 24th, 2009. The human ashes is made up of cells; each cell contains 23 pairs of chromosomes. Gametes contain 23 virtuoso chromosomes in which are the cells that colligate at conception from the ova and sperm; at conception the 23 single chromosomes from each parent combine to form a zyg ote. Whether the bollocks is going to be manly or fe priapic, is determined by the 23rd pair, females only carry X chromosomes objet dart the male carries both the X and Y chromosome, then one-half of the males sperm carries X while the other half carry Y the combination of an XY depart give you a male infant, while XX will result in a female child.

When a child has too numerous or too few chromosomes that arse be a problem. This is known as a chromosomal error or chromosomal anomaly. Down syndrome is a well-known(a) disorder caused by the child having three copies of chromosome 21. One in every eight hundred to o ne thousand infants are born with this menta! l defectiveness (Nightingale & Goodman, 1995). These children subscribe distinctive facial features, smaller brains, and often have physical abnormalities such as heart defects (Haier et al, 1995). Before rendering this section in our textbook I knew much round this disorder, or so I thought. As I shoot more I well-educated; the older the mother women at the time of conception, the higher the happen of the children developing this...If you want to nail a full essay, order it on our website: OrderCustomPaper.com

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