Genetic Manipulation

We are who we are for a huge number of reasons. some(prenominal) person is different not scarce because of the experiences they go by means of; but our genetics also influence who and what we are. Our sex, hair, scratch up color, production line type, certain disorders, our facial features, h 8, and level off eyesight are exclusively influences by our genetic pay up. We receive genes from some(prenominal) of our conjures, which is wherefore we are not but like either unrivaled of them. They also give us genes of which they do not show, only carry. To keep back this schooling I used the textbook pages 55-62 in Chapter 3 and phrase 1 and 3 in the annual Editions. We will be presenting this topic on February 24th, 2009. The human trunk is made up of cells; each cell contains 23 pairs of chromosomes. Gametes contain 23 integrity chromosomes in which are the cells that unite at conception from the ova and spermatozoanatozoon; at conception the 23 single chromosomes from each parent combine to form a zygote. Whether the bollocks is going to be potent or fe masculine, is determined by the twenty-third pair, pistillates only carry X chromosomes man the male carries both the X and Y chromosome, therefore half(prenominal) of the males sperm carries X while the other half carry Y the combination of an XY will give you a male child, while XX will result in a female child.

When a child has too many a(prenominal) or too few chromosomes that can be a problem. This is known as a chromosomal error or chromosomal anomaly. stack syndrome is a well-known disorder caused by the child having third copies of chromosome 21. One in ever! y eight hundred to bingle thousand infants are born with this freakishness (Nightingale & Goodman, 1995). These children give focus distinctive facial features, smaller brains, and often have personal abnormalities such as heart defects (Haier et al, 1995). Before rendering this naval division in our textbook I knew much some this disorder, or so I thought. As I dismount have got of more I learned; the older the mother women at the time of conception, the higher the risk of the children developing this...

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