-- card: 81750 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 2665 -- name: -- part 1 (button) -- low flags: 00 -- high flags: 8003 -- rect: left=163 top=315 right=337 bottom=263 -- title width / last selected line: 0 -- icon id / first selected line: 0 / 0 -- text alignment: 1 -- font id: 0 -- text size: 12 -- style flags: 0 -- line height: 16 -- part name: RETURN ----- HyperTalk script ----- on mouseUp go to card id 10688 end mouseUp -- part contents for background part 1 ----- text ----- PLEIOTROPY -- part contents for background part 2 ----- text ----- A situation in which a gene has more than one phenotypic effect. For example, the Curly gene in Drosophila shapes the wing in a peculiar way. This effect is dominant since heterozygotes for the gene display the curly phenotype. However, the Curly gene is also a recessive lethal so flies homozygous with genotypes Cu Cu die.