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单词 homogametic
释义

homogameticadj.

/hɒməʊɡəˈmiːtɪk/
Etymology: < homo- comb. form + gametic adj.
Biology.
(Of a sex or its individual members) producing gametes that all have the same kind of sex chromosome. Opposed to heterogametic adj.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > gametes
gametic1883
gametal1888
oogamous1888
progamic1891
heterogamous1895
gametoid1903
heterogametic1910
homogametic1910
pregamic1934
planogametic1957
1910 E. Wilson in Science Progress IV. ii. 572 If the two kinds of spermatozoa be designated as the ‘X-class’ and the ‘Y-class’, respectively, the eggs are all of the X-class. The male may, accordingly, be designated as the heterogametic sex, the female as the homogametic.
1971 Nature 18 June 432/1 In the Lepidoptera, males are homogametic and females heterogametic.

Derivatives

homogaˈmety n. the state or condition of being homogametic.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > gametes > state of
heterogamy1894
heterogamety1932
homogamety1939
1939 C. H. Waddington Introd. Mod. Genetics iii. 81 In a type with female homogamety, Drosophila for example, the non-disjunctional XX eggs with the extra chromosome when fertilized by X sperm give super~females.
1961 A. Müntzing Genetic Res. xiii. 98/2 The occurrence of homo- and hetero-gamety in dioecious plant species was first demonstrated by Correns in Bryonia dioica.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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adj.1910
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