Zoology 341 8 1 3 Homework 4 Name Laufffl 6 0 r d C206 Section Student Aq K OCII Q Y 1 A certain diploid cell is 2n 6 n 3 Draw the arrangement of this cell s chromosomes during metaphase of meiosis l and metaphase of meiosis II In your drawing be sure to indicate using labels and color and or size which chromosomes are homologous 3 points crOI5 7 0 V 6 Meosis ll Meosis ogrgigpgqflc PM e in W rnmpmpgo agf PolrsimeuPod 2 The arrangemen omologs during metaphase t h l m i UPQ osis I is a random process Use 2 sentences or less to explain what this means in your own words You may reference your drawing above 1 point O om The humo 0 cinema all Could lam j WVH bl Alum U5 Pa 1 F d0 lmelaPhwe IQrC N D 40 pg p q 6 l f o r W H7 or X 0 1 MPK 3 A diploid eukaryotic cell is 2n 10 n 5 For mitosis and meiosis how many daughter cells would be produced and how many chromosomes would each cell contain 2 points ml 035 Each CC w guld nOH C lo chrO Yl 05 a m 3 md h e f WWW Iva b6 3 doufl b i e r C S L VOL d Sfcl rmwasory W e r WUU CA be Lida Ujhler calls 4 The period between meiosis l and meiosis ll is called interphase Il Does DNA replication take place during interphase ll Use 1 sentence to explain your answer 1 point There l 3 n o DNA Y6F ICCl Ofl m A l c f f h c l f e l l j at pe aa5 he reBUHS of m e o i s a Clre hop ch one COFy C W be nqplgcl we D W were rowed m w a l l s would 5 In two sentences or less explain why the products of meiosis may not begenetically identical whereas the1products of mitOSis are 1 pomt f 0 S t a m p w a Do l 5 go n04 hem me up r W W 1 I d Mfume Han e c u g r i n gig A Q R E m01 6 m a f fi fi n q e h a x 3 flag U CFUJL Ly A Fla Para e owe 70 phajc 6 The arcticjfox is 2n 50 n 25 and the red fox is 2n 38 n 19 These t w o species can interbreed but the offspring are infertile a How many chromosomes would the offspring of such a mating have 1 point H M chm m0 Somei 215 17 4M b What would happen during meiosis in the offspring that would explain the offspring s infertility Use two sentEnces to explain your answer 1 point MVPDSd A d e h q p p e n A d m l l l f 5 n o raring of C t h J14m Howevcr HQ O M ChYDMOSOW o f In EQCQUM WWW M U f o h e j a m i fi l e C i p h q u Orwcfox h a 9 5 r 6 may 0 6 Ie r thoromojome 7160 58 I n l w h o j W6 palm 5 W i l d 00 0 C C owned U l AQBE Aabb 1 l AQEb P aA QOVB b Q 2 AE JL A5 44 Zoology 341 8 1 3 Homework 5 Name LO U fi fl 6 C Ill 0 1 Q Section Student Hm S S 1 2 points In garden peas purple flower color A is dominant to white flpwer color a You use true breeding purple flower pollen to pollinate white flowers a A a What are the genotypic and phenotypic ratios for the F1 4 Afll jenoij mc L Aa Phenoiypic H QU PlfkaLUt JVS b Use the chart below to diagram the Punnett square illustrating the cross of two F1 individuals A OK A HO AA ACA 0 A0 Ga c What are the genotypic and phenotypic ratios for the F2 32m W 3CMAL 0 rm a W V Mg c u 5 v1 Pheixoi jpic BPLXPJQ 3 I t h e d How would your results have differed if instead of the cross above you had pollinated true breeding plants with purple flowers with pollen from white flowered true breeding plants hz ero z RJPPle FbWCFJ m A H i144 o f f s p r w o o u l d h a v e b e e n 4 doom iqu wifeng 2 2 points For pea can make A nts with the following genotypes list the possible gametes that the plant YR TBF b T t Y Y r r 7 yr 1 5 Y r a TTYer T c TtYer T d ttYYrr 6 y j o uS P T y R J T 9 6 r T 3 3 points Wooly hair syndrome H is found in people of Scandinavian descent Careful study of family histories has revealed that this is a rare autosomal dominant trait A m a n with wooly hair who has a mother with straight hair moves to an island that is inhabited by people who are n o t of Scandinai ian descent Assuming that no other Scandinavians immigrate to the island what is the probability that a great grandchild of the man will have wooly hair Show all of your work in an equation to calculate this probability D r a w a pedigree to illustrate your answer that sta t s with generation I as the man s parents and ending with generation V as the great grandchild labels the m a n that moved to the island with an a r r o w ind cates genotypes of individuals as completely as possible designate unknown alleles with an nderscore ind cates where the probabilities in your equation arise l 3 m uni m 0 S e x c rema e 2 Omaha QC I M j l l 0 if NH Aim v x a 0164 M t male WITH 0de h a l f S j raghi LNWA ou a M 9 m 9 4 3 points A true reeding garden pea plant is crossed to a dwarf plant Tallness is the dominant trait The F1 individuals were allowed to self fertilize What are the following probabilities for the T F2 generati on Please show all ofyour work a The first 3 plants are tall 9 7 r 3 9 3 4 a b The gt isdwaifall i e T f plant J 0 0 c For any seven plants three are dwarf and four are tall 10 7 13 37 3 3 7631 H 17 I 75 p F T i f 3 racy 3 27 0 5 6 W37 y e u o 9 57 F0563 9mg 1 u o recemmc y e l l o w X Ilfl x a i SeXAImRed bw h recassm qu ojon4al KM mi F …
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