L06 chapter 5-1

L06 chapter 5-1 - Genetics Bio 2306 Chapter 5: Dominance,...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Genetics Bio 2306 Chapter 5: Dominance, Multiple Alleles,                                           Gene Interaction
Background image of page 1

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

View Full DocumentRight Arrow Icon
2 Dominance Relationships Characteristics of Dominance An aspect of the phenotype Involves interactions between        genes at same locus (allelic genes) May depend on how the   phenotype        is observed
Background image of page 2
3 Dominance, Incomplete Dominance  and Codominance Dominance – heterozygote has  same phenotype as homozygote AA  – red Aa  – red aa  – white Incomplete dominance –  heterozygote has phenotype that is  distinct from homozygotes AA  – red Aa  – pink aa  - white
Background image of page 3

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

View Full DocumentRight Arrow Icon
Background image of page 4
5 Codominance heterozygote has phenotypes of both  homozygotes ABO Blood types A A    A antigen B B    B antigen A B    A and B antigens Important Point:  Type of dominance  determined by phenotype of the  heterozygote .
Background image of page 5

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

View Full DocumentRight Arrow Icon
6 Type of Dominance May Depend  on How Phenotype Is Observed A 1 A 1 protein 1 brown A 2 A 2 protein 2 white A 1 A 2 brown Codominance Complete Dominance
Background image of page 6
7
Background image of page 7

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

View Full DocumentRight Arrow Icon
8 Practice What is the difference between incomplete 
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/29/2008 for the course BIO 2306 taught by Professor Durhkopf during the Spring '08 term at Baylor.

Page1 / 31

L06 chapter 5-1 - Genetics Bio 2306 Chapter 5: Dominance,...

This preview shows document pages 1 - 9. Sign up to view the full document.

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