Which of the following is a sex-linked disease?
Correct answer: B. Colour blindness
- A. Leukemia
- B. Colour blindness
- C. Alzheimer's
- D. Malignancy
Explanation
Colour blindness is an inherited sex-linked disorder. The gene for colour blindness is present on the X chromosome so it affects more men than women.
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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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More Inheritance questions
A fully expressed allele is referred to as:
If the father has blood group A and the mother has blood group B, then the children can have blood of which of the following types?
Sex linkage was discovered by:
In males, the gene for color blindness is present in:
The Bombay phenotype describes:
A person with blood group A will not produce: