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XO type of sex determination and XY type of sex determination are the examples ofA. male heterogametyB. female heterogametyC. male homogametyD. both (b) and (c)

Answer» Correct Answer - A
In XO type and XY type sex determining mechanisms, males produce two different types of gametes, (a) either with or without X-chromosome (XO type), (b) some gametes with X-chromosome and some with Y-chromosome (XY type) Such type of sex determination mechanism is designated to be the example of male hetergamety. In both, female are homogametic and produce X type od gametes in both the cases and have XX genotype


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