The gene that is only located on X-choromosome is said to be

Assessment: WAEC SSCE - Biology - 2013 (Objective) Subject: Biology

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The gene that is only located on X-choromosome is said to be
Answer Details
The gene that is only located on X-chromosome is said to be sex-linked. Sex-linked genes are those genes that are located on the sex chromosomes (X or Y) and are typically associated with traits that are more commonly expressed in one sex than the other. In humans, sex-linked genes on the X chromosome are particularly important because males only have one X chromosome while females have two, which means that mutations on X-linked genes can lead to different genetic disorders or diseases that are expressed differently in males and females.
Read lesson note on Linkage, Sex Determination And Sex Linked Characters (WAEC)
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