Characteristics feature of male drosophila are:
Correct answer: B. Sex combs on front legs
- A. Sex combs on back legs
- B. Sex combs on front legs
- C. Sex combs on middle legs
- D. None of them
Explanation
Males are easily distinguished from females based on color differences, with a distinct black patch at the abdomen, less noticeable in recently emerged flies, and the sex combs (a row of dark bristles on the tarsus of the front legs).
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About Inheritance
Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.
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