“AKA” –>
“holandric disorders”
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*’y-linked disorders’ are caused by ‘mutations’ on the ‘y chromosome’*
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(these conditions display may only be transmitted from the ‘heterogametic sex’ (e.g. ‘male humans’) to ‘offspring’ of the same ‘sex’)
(more simply, this means that ‘Y-linked disorders’ in humans can only be passed from ‘men’ to their ‘sons’)
(‘females’ can never be affected because they do not possess ‘Y-allosomes’)
(‘Y-linked disorders’ are exceedingly rare but the most well-known examples typically cause ‘infertility’)
(‘reproduction’ in such conditions is only possible through the ‘circumvention’ of ‘infertility’ by ‘medical intervention’)
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☜*“SINGLE-GENE DISORDERS”* ☞ 
*TYPES*
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