（每日一读）3月高考英语考前突破 阅读理解能力 文化教育 父亲龄大 孩子相貌丑寿命长VIP专享VIP免费

父亲年龄大孩子相貌丑寿命长研究发现，父亲年龄大的孩子相貌也较丑，但是这些丑孩子的寿命却会比其他人长。Olderfathershaveuglierchildren,researchershaveclaimedafterlinkingagetogeneticmutations.Thefindingcomesweeksafterleadingscientistsreportedchildrenborntomenovertheageof45runahigherriskofhavingautism（孤独症）andpsychiatricdisorders.Withage,sperm-producingcellsdonotcopyaman'sDNAaseffectively,leadingtogeneticmutations.MartinFielder,ananthropologist（人类学家）atViennaUniversity,toldtheSundayTimes:'Every16yearsthemutationratedoubles.Otherresearchersfound25mutationsperspermina20-year-old,butatage40itis65mutations.By56,itdoublesagain.'Theeffectisveryvisible-someoneborntoafatherof22isalready5-10percentmoreattractivethanthosewitha40-year-oldfatherandthedifferencegrowswiththeagegap.'Incontrast,womenpassonamaximumof15mutationstotheirbaby,regardlessofage,accordingtothestudypublishedinthejournalNature.Surveyingagroupofsixmenandsixwomen,researchersshowedthemeach4,018photographsof18-20-year-oldmenand4,416ofwomenthesameage,andaskedtoratetheirattractiveness.Thosewitholderfatherswereconsistentlyratedlessattractive.However,theoffspringofoldermen,thoughlessattractive,arelikelytooutlivetheirpeerswithyoungerfathers,itisclaimed.ProfessorLeeSmith,ageneticistatEdinburghUniversity,toldtheSundayTimesotherresearchfoundsuchchildrenhavelongertelomeres（染色体终端）-thecapsontheendofchromosomes-whichareassociatedwithlongerlife.Butthemountingresearchconnectingparents'agewithautismiscauseforconcern,expertswarn.Autismisanumbrellatermforarangeofdevelopmentaldisordersthathavealifelongeffectonsomeone'sabilitytointeractsociallyandcommunicate.IntheUK,aroundonein100adultsisthoughttobeaffectedbyautism,mostlymen,causedbyacombinationofgeneticandenvironmentalfactors.Researcherssaidmenshouldbeadvisedaboutthepotentialproblemsinordertohelptheirpersonaldecision-makingwhenitcametohavingfatheringchildrenatolderages.Theywarnedthatadvancingpaternalageposedariskof'numerouspublichealthandsocietalproblems'.Amongwell-knownolderdadsareSimonCowell,54,whosesonwasbornearlierthismonth,andcomedianFrankSkinnerwhosefirstchildwasbornin2012whenhewas55.