Journal article
Consanguinity, twinning and secondary sex ratio in the population of Karnataka, South India
Annals of Human Biology, Vol.15(6), pp.455-460
1988
Abstract
Consanguineous marriages are strongly favoured in the state of Karnataka. Of 65492 marriages studied 33·07% were consanguineous, equivalent to a coefficient of inbreeding (F) of 0·0298. The twinning rate was low, 6·9 per thousand, whereas the secondary sex ratio, 0·5221, was higher than in comparable major human populations. Consanguinity exerted no significant effect on either parameter. The results also indicate that consanguinity is not associated with excess antenatal losses and suggest the possibility of enhanced selection against mutations at X chromosome loci.
Details
- Title
- Consanguinity, twinning and secondary sex ratio in the population of Karnataka, South India
- Authors/Creators
- A.H. Bittles (Author/Creator) - King's College LondonA.R. Devi (Author/Creator)N.A. Rao (Author/Creator) - King's College London
- Publication Details
- Annals of Human Biology, Vol.15(6), pp.455-460
- Publisher
- Informa Healthcare
- Identifiers
- 991005545417907891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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