Lec+19+2011 - Lecture 19: Chromosomes & inheritance...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 19: Chromosomes & inheritance 19-1 Reading: Ch. 15, pp. 286-302 Self quiz Ch. 15: 6, 8, 14 Bio 93, O Dowd and Warrior, UCI - Copyright: All rights reserved Friday 11/05/11
Background image of page 1

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

View Full DocumentRight Arrow Icon
Chromosomal basis of Mendel’s Laws Fig. 15.2 Bio 93, O Dowd and Warrior, UCI - Copyright: All rights reserved 19-2
Background image of page 2
Human Vision and Genetics Cone cells in retina detect colors Mutations affect color perception Between 5 – 8% of Caucasian men and 0.5% of women are born color blind. Why the gender inequality? Fall Bio 93, O Dowd and Warrior, UCI - Copyright: All rights reserved 19-3
Background image of page 3

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

View Full DocumentRight Arrow Icon
Sex is determined through the X-Y system in mammals Fig. 15.6 But, X and Y chromosomes also have genes for characters unrelated to gender. Bio 93, O Dowd and Warrior, UCI - Copyright: All rights reserved 19-4
Background image of page 4
Sex- (X-)linked genes have unique patterns of inheritance Fig. 15.7 Are you color blind? Blame your mother. Bio 93, O Dowd and Warrior, UCI - Copyright: All rights reserved 19-5
Background image of page 5

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

View Full DocumentRight Arrow Icon
Females inherit 2 X-chromosomes, but only need 1 active chromosome During development, 1 X-chromosome condenses into a Barr body Female heterozygotes will be a
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 16

Lec+19+2011 - Lecture 19: Chromosomes & inheritance...

This preview shows document pages 1 - 7. Sign up to view the full document.

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