Inheritance answers

Inheritance answers - 5—an Heredity (BIOL 3034) fig 2002...

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Unformatted text preview: 5—an Heredity (BIOL 3034) fig 2002 Basis of Inheritance Problem Set 1. Complete the following graph, representing the total amount of DNA (x) in the nucleus of a diploid cell during 01, after S phase, during G2, and after mitosis. J? . ,4- Jinx: 6 I9” r_'!"-\I : I“. 5x ON ’a ' ‘ r 4x V. 4—.-————_ r“ DNA 3x content 2x 1x G1 S G2 Mitosis 01 2. Complete the following graph, representing the total amount of DNA (x) in the nucleus of a diploid cell before and after S phase, after meiosis I, and after meiosis II. II" . 4W1)" I _ I, N? “‘2’ H in»- {Jri‘m' I ....’i"( 5x H D k _ f _’ In \ iv cf 1". l. : Lt _ .. 2n \4( {Zr}! 3.. ' i“ J gr" 4x _.' ‘IL(‘ (I H I ‘-. a C L. annonefi H I, p. ‘0 DNA 3x l n content 2x “Wk... \ l 1x l.-. _ G2 Meiosis I Meiosis H Gamete 3. Draw the process of mitosis in a cell that is heterozygous (Na! for a gene on a __ etacentric -. -w-L—n-_ ‘.___,__|‘ chromosome and heterozygous ngb! for a gene on a chhmmosome. Ferryl no»: 2” 9;“ sci-"3214;; ' I {\J L. s5 "— ‘34 "‘J- 1'. __r______#‘)w 4. For a cell with the genotype Na;be;DfD, draw each genetically-unique gamete resulting from meiosis (remember that the ‘;’ indicates that each gene is on a different chromosome and thus assort m... independently). A ED 61 L D A L D a E D ER 9%". “i”? 6’; A?) is a?) 5’3 .. I JD ) I ,1" 6}; N D l. (/0 5. For a cell with the genotype Ffog, draw each genetically-unique gamete resulting from meiosis (assume that crossing-Over does not occur, and remember that this symbolism indicates that genes F and G are on the same chromosome). 6. How many cross-over events involving the homologous pair of chromosomes shown below would be required to produce a gamete completely free of deleterious mutations? Draw an X between the chromosomes where the cross-over events would occyr.-——- ...
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This note was uploaded on 01/17/2012 for the course BIOL 303 taught by Professor Pfau,r during the Fall '08 term at Tarleton.

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Inheritance answers - 5—an Heredity (BIOL 3034) fig 2002...

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