childpsych ch2 - Child Psychology Ch. 2 Notes Genetic...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Child Psychology Ch. 2 Notes Genetic Foundations Phenotype- how you actually develop, physical and behavioral characteristics Genotype- genetic makeup, huge impact on morphological change ex. eye color, physical attributes Genetic Foundations Nucleus- main part of the cell body that contains chromosomes Chromosomes - store and transmit genetic information Deoxyribonucleic acid (DNA)- acid in the chromosomes Gene- contain instructions for proteins, segment of a DNA molecule, not a blueprint Cell Generation Mitosis- cells duplicate forming 2 new identical cells (46 chromosomes) cell duplicates itself Meiosis- a cell halves itself through cell division forming 2 gametes (23 chromosomes) The Sex Cells Gametes- human sperm and ova Crossing over- exchange of genes between chromosomes in meiosis, ensures variability survival of species Zygote- union of sperm and ovum, single cell organism Boy or Girl?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/15/2008 for the course PSYCHOLOGY 300 taught by Professor Reynolds during the Fall '08 term at University of Tennessee.

Page1 / 3

childpsych ch2 - Child Psychology Ch. 2 Notes Genetic...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online