Linked Life Data

7972065

Source:http://linkedlifedata.com/resource/pubmed/id/7972065

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
24
pubmed:dateCreated
1994-12-27
pubmed:abstractText
Monozygotic twinning is rare within populations yet taxonomically widespread. We explore the evolution of monozygotic twinning by modeling an allele in a newly formed offspring that causes it to undergo mitosis and separation to form one or more clones (twins), potentially in conflict with the parents' best interest. The success of this twinning allele in our haploid models depends on the balance of the benefit of increased frequency in the clutch and the cost of reduced survival resulting from limited parental resources. The trait reaches high frequency in a broad range of plausible conditions but also fails to spread or is kept at low frequency in others when the survival cost is high (e.g., in small clutch sizes). Interestingly, there are two reasonable conditions that predict high frequency of the trait but low visibility: random parental abortion and selection for low penetrance. Thus our models suggest reasons why monozygotic twinning might be rare, or alternatively, be common yet appear rare. In addition, we discuss the implications for sex-linked twinning, dizygotic twinning, and twinning by gametes.
pubmed:commentsCorrections
http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-2384380, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-2771846, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-556630, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-637368, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-6683788, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-6954825, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-7170918, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-7196086, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-8234363, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-8234364, http://linkedlifedata.com/resource/pubmed/commentcorrection/7972065-904333
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0027-8424
pubmed:author
pubmed:issnType
Print
pubmed:day
22
pubmed:volume
91
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
11363-7
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Monozygotic twinning: an evolutionary hypothesis.
pubmed:affiliation
School of Biological Sciences, University of Kentucky, Lexington 40506.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't