(3) What is sex ratio? answer in one sentence
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The sex ratio is the ratio of males to females in a population. ... The human sex ratio is of particular interest to anthropologists and demographers. In human societies, however, sex ratios at birth may be considerably skewed by factors such as the age of mother at birth, and by sex-selective abortion and infanticide.
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The male-female ratio, I. e., the number of females per thousand males, is known as sex ratio.
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