sex ratio

noun Sociology.

the proportional distribution of the sexes in a population aggregate, expressed as the number of males per 100 females.

Origin of sex ratio

First recorded in 1905–10

Words nearby sex ratio

sexpert, sex play, sexploitation, sex positivity, sexpot, sex ratio, sex reassignment, sex reassignment surgery, sex reassignment therapy, sex reversal, sex role

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for sex ratio

A modification of the sex-ratio and of other ratios through linkage.
Sex-linked Inheritance in Drosophila|Thomas Hunt Morgan
Two sex-linked lethal factors in Drosophila and their influence on the sex-ratio.
Sex-linked Inheritance in Drosophila|Thomas Hunt Morgan
From an F2 culture that gave practically a 2:1 sex-ratio, vermilion females were bred to club males.
Sex-linked Inheritance in Drosophila|Thomas Hunt Morgan
The former are always normal in behavior, and the latter repeat in their descendants the 2:1 sex-ratio.
Sex-linked Inheritance in Drosophila|Thomas Hunt Morgan

Medical definitions for sex ratio

sex ratio

n.

The proportion of males to females in a given population, usually expressed as the number of males per 100 females at a specific stage in life, especially at conception, birth, and a given stage between birth and death.

The ratio of the numbers of males to females affected by a particular disease or trait.

单词	sex ratio
释义	sex ratio noun Sociology. the proportional distribution of the sexes in a population aggregate, expressed as the number of males per 100 females. Origin of sex ratio First recorded in 1905–10 Words nearby sex ratio sexpert, sex play, sexploitation, sex positivity, sexpot, sex ratio, sex reassignment, sex reassignment surgery, sex reassignment therapy, sex reversal, sex role Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for sex ratio A modification of the sex-ratio and of other ratios through linkage. Sex-linked Inheritance in Drosophila\|Thomas Hunt Morgan Two sex-linked lethal factors in Drosophila and their influence on the sex-ratio. Sex-linked Inheritance in Drosophila\|Thomas Hunt Morgan From an F2 culture that gave practically a 2:1 sex-ratio, vermilion females were bred to club males. Sex-linked Inheritance in Drosophila\|Thomas Hunt Morgan The former are always normal in behavior, and the latter repeat in their descendants the 2:1 sex-ratio. Sex-linked Inheritance in Drosophila\|Thomas Hunt Morgan Medical definitions for sex ratio sex ratio n. The proportion of males to females in a given population, usually expressed as the number of males per 100 females at a specific stage in life, especially at conception, birth, and a given stage between birth and death. The ratio of the numbers of males to females affected by a particular disease or trait. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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