Many X-linked traits in man are also found X-linked in other mammals like:
Correct answer: D. Mouse, rabbit, dog, sheep, donkey, cattle, kangaroo, and chimpanzee
- A. Mouse and Rabbit
- B. Dog and Sheep
- C. Donkey and Horse
- D. Mouse, rabbit, dog, sheep, donkey, cattle, kangaroo, and chimpanzee
Explanation
The correct answer is the option that lists mouse, rabbit, dog, sheep, donkey, cattle, kangaroo, and chimpanzee. These mammals, like humans, belong to the class Mammalia and share X-linked traits due to common evolutionary ancestry. Other options are incomplete, as they omit several mammals that also exhibit these genetic similarities.
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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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