問題詳情

9. Which genes should be turned on first to determinate the body axis during embryogenesis of Drosophila?
(A) Pair rule genes
(B) Segmentation genes
(C) Segmentation polarity genes
(D) Maternal effect genes
(E) Homeotic genes

參考答案

答案:D
難度:適中0.625
統計:A(0),B(0),C(1),D(5),E(0)

用户評論

Melan】評論

maternal effect gene A gene that, when mutant in the mother, results in a mutant phenotype in the offspring, regardless of the offspring’s genotype. Maternal effect genes, also called egg-polarity genes, were first identified in Drosophila melanogaster.