The recessive genes located on the X chromosome of humans are always:
Correct answer: C. Expressed in males
- A. Lethal
- B. Sublethal
- C. Expressed in males
- D. Expressed in females
Explanation
The correct answer depends on the specific context or terminology used. In classical genetics and most general contexts, recessive X-linked genes are typically expressed in females (option d) in certain conditions, while in males, they are always expressed.
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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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