21. In Drosophila, spineless bristles (ss), eyeless (ey), and bent wings (bt) are recessive traits. A female heterozygou
Posted: Mon Jul 11, 2022 2:14 pm
question, what is map distance between spineless and eyeless? a.genes are not linked b. 50 c. 8.3 d. 14.3 e. 7.1 f. 16
21. In Drosophila, spineless bristles (ss), eyeless (ey), and bent wings (bt) are recessive traits. A female heterozygous for all three traits is crossed to a male expressing all three traits and the following 1000 progeny were observed: ss ey bt 215 P ss + bt 38 ss ey + 22 35 pcoss + + R1 222 p Which of the following represents the correct female heterozygote? a. ss ey bt + + ey bt +ey bt 21 218 P + ey + ss ey bt C. ++bt 34 DCO +++ SS + bt ey + 36 202 ss + bt + ey 22. Based on the cross in the previous