What is a sex-linked trait? Give an example.

The males sperm decides what gender the offspring will be

Explanation:

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A sex-linked trait is a trait that is controlled by a gene or an allele located on the sex chromosome. ... For example, color blindness is a sex-linked trait whose allele is recessive and located on the X chromosome. When the mother is color blind and the father is not, all sons are going to be color blind

Explanation:

the correct option is option a

one centimetre is equal to 0.01 metres