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Cell Division Chapter 8. Chromosomes DNA is tightly packed (coiled) in the nucleus Only visible during…

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Chromosome Types (animals) Sex Chromosomes –Determine the sex of an organism –XX = Female –XY = Male Autosome –Any chromosome that is NOT a sex chromosome –2 Copies of each autosome –Humans: 23 Autosomes x 2 copies = 46 Chromosomes! (Adder’s tongue fern has 1,262!!)

CSCOPE Unit 08 Lesson 02 MEIOSIS INTRODUCTION. What is a chromosome? A piece of coiled DNA How many chromosomes do human cells have? 46 (in non-sex

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