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3.Reproductive Health
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Sex ratio in a species indicates the numerical relation between the number of
A
Male and female producing gametes
B
Blacks and whites
C
Unisexual and bisexual
D
None of the above
Solution
(d) Sex ratio is the ratio between males and females in a given population. It is generally expressed as number of females per $1000$ males.
Standard 12
Biology
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