FEB+18+BIO - COMPARE MZ - DZ TWINS Monozygotic twins (MZ)...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

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

View Full DocumentRight Arrow Icon
Background image of page 2
COMPARE MZ - DZ TWINS Monozygotic twins (MZ) – share 100% of genes Dyzygotic twins (DZ) – share 50% of genes Raised in same family, etc. Control environment, vary genes
Background image of page 3

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

View Full DocumentRight Arrow Icon
DIFFERENCES IN SCHIZ . Siblings 10% DZ 6-15% MZ 30-40% Other disorders less difference but always more MZ than DZ
Background image of page 4
LIMITS OF TWIN STUDIES MZ concordance far less than 100% Are twins representative? How much does concordance for MZ stem from social rather than genetic factors? Physical similarity, more interaction, same friends Can’t locate particular genes
Background image of page 5

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

View Full DocumentRight Arrow Icon
Background image of page 6
NEURONS
Background image of page 7

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

View Full DocumentRight Arrow Icon
Background image of page 8
NEUROCHEMISTRY Neurons (brain cells) release Neurotransmitters (chemicals that communicate between neurons) into Synapses – gap between neurons Receptors – absorb chemicals
Background image of page 9

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

View Full DocumentRight Arrow Icon
NEUROCHEMISTRY (CONT.) Mental illnesses can arise from Malfunctioning receptors Too much or too little of various neurotransmitters
Background image of page 10
MAJOR NEUROCHEMICALS SEROTONIN – low levels may be related to depression and many other
Background image of page 11

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

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 29

FEB+18+BIO - COMPARE MZ - DZ TWINS Monozygotic twins (MZ)...

This preview shows document pages 1 - 12. Sign up to view the full document.

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