Question

What is SeexRatio? Why is it an important social indicator ? Explain .

Answer 1

The sex ratio is the ratio of males to femalesin a population. In most sexually reproducing species, the ratio tends to be 1:1. This tendency is explained by Fisher's principle.[1]For various reasons, however, many species deviate from anything like an even sex ratio, either periodically or permanently. Examples include parthenogenic species, periodically mating organisms such as aphids, some eusocial wasps such as Polistes fuscatus and Polistes exclamans, bees, ants, and termites.[2]

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,[3] and by sex-selective abortion and infanticide. Exposure to pesticides and other environmental contaminants may be a significant contributing factor as well.[4] As of 2014, the global sex ratio at birth is estimated at 107 boys to 100 girls (1000 boys per 934 girls).[5]

Answer 2

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Sex ratio is defined as the number of females per 100 males in population.

➡️This is an important social indicator to measure the extent of equality between males and females in a society at a given time.

➡️An unfavorable sex ratio means girls are not preferred or they do not enjoy equal status in the society.

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