Child Psych Ch 2 wrksheet 1.rtf

Child Psych Ch 2 wrksheet 1.rtf - Name Jorge Martinez...

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Name: Jorge Martinez Chapter 2— Heredity and Conception For each statement below, complete the blanks with the appropriate term or phrase. Note that the reviews are more extensive than those in the text book. (1) The field of biology that studies heredity is called __Genetics________ . (2) A normal human cell contains 46 _Chromosomes_________ , which are organized into 23 pairs. (3) Each chromosome contains thousands of segments called __Genes________ , which are the biochemical materials that regulate the development of traits. (4) Genes are segments of strands of __Deoxyribonucleic________ (DNA), which takes the form of a twisting ladder. (5) ___Mitosis_______ is the cell-division process by which growth occurs and tissues are replaced. (6) Sperm and ova are produced through __Meiosis________ . (7) After meiosis, each new cell nucleus contains ___23_______ chromosomes. (8) When a zygote divides into two cells that separate so that each develops into an individual, we have __Monozygotic________ (MZ) twins.
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  • Fall '14
  • DrHelenBurroughs
  • DNA, Cell nucleus

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