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MediumBotanyPrinciples of Inheritance & Variation
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Which of the following is a result of X-O type sex determination?
A
Female has only one X
B
Male has only one X
C
Male has two X
D
Female has no X
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In birds, the female heterogamety is represented by:

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A mutation that involves a change in a single base pair of DNA is called:

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