20. These traits are autosomal and are therefore not carried in the sex chromosomes. A. Sex-linked and sex-limited traits C. Sex-limited and sex- influenced traits B. Sex-linked and sex-influenced traits D. Sex-based inheritance and sex- linked traits 21. Y-linked traits are also known as holandric traits. Which of the following is true about holandric traits? A. It is observed among females only B. It is observed among males only C. Both male and female can be carriers of the traits D. There are more males afflicted with it compared to females 22. The gene for lactation is present in both male and female cattles. Being a sex- limited trait, this expressed in A. Female only C. Bothe male and female cattles B. Male cattles only D. Neither male nor female cattles 23. What conditions will guarantee that a male offspring will have red-green color blindness? A. the father is colorblind C. the father has the recessive gene B. the mother is colorblind D. the mother has the recessive gene 24. What are the expected offspring's when a female who is bald marries to a non- bald male? i. all sons will become bald ii. all daughters will become bald iii. none of the daughters will become bald B. li only A. i only C. i and ii only D. i and lii only 25. Hemophilia is an X-linked trait, why is it more commonly observed among males than in females? A. It behaves as a sex-influenced trait among males. B. It behaves as a recessive allele among females. C. It behaves as a dominant allele among females. D. It behaves as a recessive allele among males.​