This preview shows page 1. Sign up to view the full content.
Unformatted text preview: 6.4 Applications of chi-square ( 2 ) test to gene interaction ratios The colors of peppers are determined by the interaction of several genes. An allele Y promotes early elimination of chlorophyll (a green pigment), whereas y does not. R determines red and r yellow carotenoid pigments. Alleles c1 and c2 of two different genes down-regulate the amounts of carotenoids, causing the lighter shades. Orange is down-regulated red. Brown is green plus red. Pale yellow is down-regulated yellow. [Anthony Grifths.] 44200_06_p185-226 3/1/04 3:15 PM Page 185...
View Full Document
This note was uploaded on 01/10/2011 for the course BIOL BIOL taught by Professor Johnson during the Spring '08 term at Aberystwyth University.
- Spring '08