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homogametic
homogametic, a. Biol. (hɒməʊgəˈmiːtɪk) [f. homo- + gametic a.] (Of a sex or its individual members) producing gametes that all have the same kind of sex chromosome. Opp. heterogametic a.1910 [see heterogametic a.]. 1971 Nature 18 June 432/1 In the Lepidoptera, males are homogametic and females heter...
Oxford English Dictionary
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Heterogametic sex
In birds, the male sex is the homogametic sex, having two Z chromosomes, while the female sex is the heterogametic sex, with one Z and one W chromosome In platypuses, the male sex is heterogametic while the female sex is the homogametic sex.
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heterogametic
heterogametic, a. Biol. (ˌhɛtərəʊgəˈmiːtɪk) [f. hetero- + gametic a.] (Of a sex or its individual members) producing gametes that differ with respect to a sex chromosome. Opp. homogametic a. So ˌheteroˈgamety, the state or condition of being heterogametic.1910 E. Wilson in Science Progress IV. ii. 5...
Oxford English Dictionary
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Heterogamy
See also
Heterogametic
Homogametic
References
Plant reproduction
Genetics
Exogamy
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Which sex is homogametic in side-blotched lizards? I'm just trying to find out whether the male side-blotched lizard is the hetero- or homogametic sex in side-blotched lizards ( _Uta stansburiana_ ) - some reptiles ar...
Lizards of the genus _Uta_ are apparently male heterogametic (XY) (Pennock et al. 1969). The XY system seems to be the most common mode of sex determination in iguanid lizards (Kasahara et al. 1983). > Kasahara, Y et al. 1983. Chromosome mechanisms of sex determination, G- and C-band patterns and nu...
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ZZ
protein domain
, the Zahlen symbol, representing the set of integers
Zamioculcas or ZZ plant, a genus of flowering plant in the family Araceae
ZZ, homogametic males under the ZW sex-determination system
ZZ, homogametic males under the ZO sex-determination system
Transportation
Isuzu Gemini ZZ/R, a subcompact
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sex limited genome transmission In general, for dioecious species, a large portion of the genome passed from parents to offspring of both sexes - in mammals the X-chromosomes and autosomes are passed from a mother to ...
However it has been reported that a homogametic `WW` female boa was born by parthenogenesis.
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XY sex-determination system
In most cases, females have two of the same kind of sex chromosome (XX), and are called the homogametic sex. the XY system (called ZW to distinguish it) is used in birds and many insects, in which it is the females that are heterogametic (ZW), while males are homogametic
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Pseudodominance
The homogametic sex (females in humans) receive two of each sex chromosome and therefore need to be homozygous to show a recessive trait.
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ZW sex-determination system
Males are the homogametic sex (ZZ), while females are the heterogametic sex (ZW).
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Drosophila hybrid sterility
This could cause the heterogametic sex chromosome in the hybrid to be inviable or sterile, but homogametic sex chromosome will be fertile.
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Sharon Moalem
when applied to humans, the Law of Homogameity predicts that from birth, genetic females possess a survival advantage that results from them being the homogametic The book also explicates that female immunological superiority is rooted in their being the homogametic sex as well as being aided by the fact that estrogens
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Haldane's rule
However, homogametic hybrids are only affected by dominant deleterious X-linked alleles. Exceptions
In some instances, the homogametic sex turns out to be inviable while the heterogametic sex is viable and fertile.
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Genital ridge
Birds have heterogametic females (ZW) and homogametic males (ZZ). The avian Z chromosome is conserved synteny with chromosome 9 of humans.
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Sex-linked barring
The responsible gene was predicted to be located on the Z chromosome and since male birds are homogametic (ZZ), they can be either hetero- or homozygous
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