Answer :
Preference should not be used to choose a sex. However, sex selection of sperm is appropriate to avoid a sex-linked inheritable illness.
It is unethical for doctors to play god. Sorting X- or Y-chromosome containing spermatozoa for sex selection may be a valuable tool in the management of endangered species in captive breeding programmes, and perhaps even if sorted sperm is employed in free-living populations. In the United States and other nations, there is a premium for female calves, which is encouraging the commercial application of sperm sorting. In the case of endangered species,
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