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genes

Cancer

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BIOLOGY NOTES MONDAY 17, 2014 (CHAPTER 11) 6 Characteristics of cancerous cells Grow when should not Continue to grow when other cells send ?stop? signals When change in their DNA, Apoptosis doesn?t occur Can co-opt vascular system creating new blood vessels Immortal (MOST IMPORTANT) Can metastasis, which moving to other parts Mutations in 2 types of genes cause cancer Positive growth regulators Negative growth regulators Explain how the mutations cause runaway all proliferation More positive growth, results in hyperactivity Uncontrolled cell division, No brakes 2 types of genes Proto-oncogene- Normal Function- Promote cell division (code for positive growth regulator) Mutation- Runaway cell division causing hyperactivity

Cancer

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BIOLOGY NOTES MONDAY 17, 2014 (CHAPTER 11) 6 Characteristics of cancerous cells Grow when should not Continue to grow when other cells send ?stop? signals When change in their DNA, Apoptosis doesn?t occur Can co-opt vascular system creating new blood vessels Immortal (MOST IMPORTANT) Can metastasis, which moving to other parts Mutations in 2 types of genes cause cancer Positive growth regulators Negative growth regulators Explain how the mutations cause runaway all proliferation More positive growth, results in hyperactivity Uncontrolled cell division, No brakes 2 types of genes Proto-oncogene- Normal Function- Promote cell division (code for positive growth regulator) Mutation- Runaway cell division causing hyperactivity

Heredity and Behavior: Is it all in the Genes?

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Heredity and Behavior: Is it All in the Genes? Emily Moler Biological makeup is Intimately related to your behavior. Every cell in your body contains enduring messages from your mother and father These are found on the chromosomes that lie within nucleus Chromosomes Strand of DNA that carry genetic information There are 46 in each cell (except for the sex cells) and are found in 23 pairs, each half of the pair comes from either your mom or dad. Fertilization This is when a parent will give their genes to their child. The parents create a zygote, which is a single cell formed by the union of a sperm and an egg. Genes DNA segments that serve as the key functional units in hereditary transmission. They are found on chromosomes. More on Chromosomes
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