'Chromosome pairs 1 22' presentation slideshows

What is a Gene?

What is a Gene?. Gene = a segment of DNA that codes for a protein that controls a trait. Humans have approximately 30,000 genes We have 2 copies of each gene (one on each chromosome we inherited from our parents). Each gene has different forms . . .

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Genetics Vocab Notes

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Karyotypes and Pedigrees

Karyotypes and Pedigrees. Genetics and Chromosomal Analysis. Chromosomal Analysis. There are various ways to analyze chromosomes: 1. Karyotypes 2. Chromosome painting 3. Gel electrophoresis (DNA fingerprinting). Chromosome painting: using fluorescents to compare chromosomes.

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Human Heredity

Human Heredity. Chapter 14. Human Chromosomes. Chromosomes are only visible during cell division (mitosis/meiosis). To analyze chromosomes, biologist photograph cells during mitosis and align the chromosomes in homologous pairs. This picture is known as a karyotype. Types of Chromosomes.

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KEY CONCEPT Gametes have half the number of chromosomes that body cells have.

Answer the following questions on a separate piece of paper. You will turn these in put your name on it!! How many languages do you speak? Which ones? What class do you like the most and the least in school? What type of reader are you? Strong, weak or middle of the road?

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