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1 соотношение полов
sex ratio Despite a tendency towards females among juveniles, and males among yearlings and adults, sex ratios within each age class did not significantly deviate from unity, but at the population level there were significantly more adult males than reproductive females.differential sex ratio between the members of each sex contemporaneously in an effective breeding condition .Русско-английский словарь по этологии (поведению животных) > соотношение полов
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2 вторичное соотношение полов
вторичное соотношение полов
Соотношение полов, определяемое в момент рождения (т.е. после проявления сцепленных с полом эмбриональных летальных генов).
[Арефьев В.А., Лисовенко Л.А. Англо-русский толковый словарь генетических терминов 1995 407с.]Тематики
EN
Русско-английский словарь нормативно-технической терминологии > вторичное соотношение полов
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3 вторичное соотношение полов
Genetics: secondary sex ratio (соотношение полов, определяемое в момент рождения (т. е. после проявления сцепленных с полом эмбриональных летальных генов))Универсальный русско-английский словарь > вторичное соотношение полов
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4 вторичный половой индекс
Biology: secondary sex ratioУниверсальный русско-английский словарь > вторичный половой индекс
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5 соотношение полов при рождении
Economy: secondary sex ratioУниверсальный русско-английский словарь > соотношение полов при рождении
См. также в других словарях:
secondary sex ratio — secondary sex ratio. См. вторичное соотношение полов. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) … Молекулярная биология и генетика. Толковый словарь.
Sex ratio — is the ratio of males to females in a population. The primary sex ratio is the ratio at the time of conception, secondary sex ratio is the ratio at time of birth, and tertiary sex ratio is the ratio of mature organisms. [Nancy S. Coney and W. C.… … Wikipedia
sex ratio — n the proportion of males to females in a population as expressed by the number of males per hundred females * * * the proportion of males to females in a population, usually expressed as the number of males per 100 females. The primary sex ratio … Medical dictionary
sex ratio — the proportion of males to females in a population, usually expressed as the number of males per 100 females. The primary sex ratio, at the time of fertilization, is in theory 50% male. The secondary sex ratio, found at birth, usually indicates… … The new mediacal dictionary
Secondary sex characteristic — Secondary sex characteristics are traits that distinguish the two sexes of a species, but that are not directly part of the reproductive system. They are believed to be the product of sexual selection for traits which give an individual an… … Wikipedia
Human sex ratio — In anthropology and demography, the human sex ratio is the sex ratio for Homo sapiens (i.e. the ratio of males to females in a population). Like most sexual species, the sex ratio is approximately 1:1. In humans the secondary sex ratio (i.e. at… … Wikipedia
Индекс Половой (Sex Ratio) — соотношение количества мужчин и женщин в популяции, обычно выражаемое как число мужчин, приходящееся на 100 женщин. Первичный половой индекс (primary sex ratio) к моменту оплодотворения теоретически составляет 50%. Вторичный половой индекс… … Медицинские термины
Sex differences in humans — Male and female anatomy. Note that these models have had body hair and male facial hair removed and head hair trimmed. A sex difference is a distinction of biological and/or physiological characteristics associated with either males or females of … Wikipedia
ratio — An expression of the relation of one quantity to another ( e.g., of a proportion or rate). SEE ALSO: index (2), quotient. [L. r. (ration ) a reckoning, reason, fr. reor, pp. ratus, to reckon, compute] absolute terminal innervation r. the number… … Medical dictionary
Sex and psychology — This article is about psychology and the male and female biological sexes. For information about human sexual perceptions, see Human sexuality. Research on sex and psychology investigates cognitive and behavioral differences between men and women … Wikipedia
Manhasset Secondary School — Location 200 Memorial Place Manhasset, NY 11030 Information Type Middle School / Public High Sc … Wikipedia