名侦探福尔摩斯办案

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1、Chapter113Mendelianpatternsofinheritance3Q1:名偵探福爾摩斯辦案，哪家夫妻的小孩一定不是親生的？（A型B型基因相對於O型基因為顯性）夫妻一：爸爸血型是O型，媽媽血型是B型，小孩血型A型。夫妻二：爸爸血型是AB型，媽媽血型是O型，小孩血型O型。夫妻三：爸爸血型是A型，媽媽血型是B型，小孩血型AB型。夫妻四：爸爸血型是B型，媽媽血型是B型，小孩血型O型。夫妻一及二小孩一定不是親生Q2:一對看似正常的夫妻生出一個有囊性纖維病變的兒子。他們下一個小孩患有囊性纖維病變的機率有

2、多少？1/4單選題：31)3HowmanyuniquegametescouldbeproducedthroughindependentassortmentbyanindividualwiththegenotypeAaBbCCDdEE?3A)343B)383C)3163D)3323E)3643Answer:3B32)3Asexuallyreproducinganimalhastwounlinkedgenes,oneforheadshape(H)andonefortaillength(T).Itsgenotyp

3、eisHhTt.Whichofthefollowinggenotypesispossibleinagametefromthisorganism?3A)3HT3B)3Hh3C)3HhTt3D)3T3E)3tt3Answer:3A33)3InacrossAaBbCc×AaBbCc,whatistheprobabilityofproducingthegenotypeAABBCC?3A)31/43B)31/83C)31/163D)31/323E)31/643Answer:3E3Usethefollowinginfo

4、rmationtoanswerthequestionsbelow.AwomanwhohasbloodtypeAhasadaughterwhoistypeOandasonwhoistypeB.34)3Whichofthefollowingisapossiblepartialgenotypefortheson?3A)3IBIB3B)3IBIA3C)3ii3D)3IBi3E)3IAIA3Answer:3D35)3Whichofthefollowingisapossiblegenotypeforthemother?

5、3A)3IAIA3B)3IBIB3C)3ii3D)3IAi3E)3IAIB3Answer:3D36)3Whichdescribestheabilityofasinglegenetohavemultiplephenotypiceffects?3A)3Incompletedominance3B)3Multiplealleles3C)3Pleiotropy3D)3Epistasis3Answer:3C37)3WhichdescribestheABObloodgroupsystem?3A)3Incompletedo

6、minance3B)3Multiplealleles3C)3Pleiotropy3D)3Epistasis3Answer:3B33ThefollowingquestionsrefertothepedigreechartinFigure14.2forafamily,someofwhosemembersexhibitthedominanttrait,woolyhair.Affectedindividualsareindicatedbyanopensquareorcircle.Figure14.238)3What

7、isthegenotypeofindividualII-5?3A)3WW3B)3Ww3C)3ww3D)3WWorww3E)3wworWw3Answer:3C39)3WhatisthelikelihoodthattheprogenyofIV-3andIV-4willhavewoolyhair?3A)30%3B)325%3C)350%3D)375%3E)3100%3Answer:3C310)3WhatistheprobabilitythatindividualIII-1isWw?3A)33/43B)31/43C

8、)32/43D)32/33E)313Answer:3E33