PreLecture 6 chromosomes_mitosis_1to20 by UPAD

PreLecture 6 chromosomes_mitosis_1to20 by UPAD - Lecture6...

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1. How is the DNA in chromosomes replicated? 2. How can the ploidy of a cell be determined? 3. How does mitosis proceed to create two daughter cells that are gene±cally iden±cal both to each other and the cell they originated from? Welcome to Mitosis Monday Lecture 6 Lecture 6 Welcome to Mitosis Monday Key Ques±ons:
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1. Draw suitable diagrams of chromosomes in a cell such that unique chromosomes can be dis8nguished from one another. 2. Determine whether cells are haploid or diploid from suitable drawings of their chromosomes (introduc8on). 3. Dis8nguish between chromosomes, homologous chromosomes, and chroma8ds (sister and non‐sister). Be able to draw these diFerent structures, and iden8fy them in suitable drawings. 4. When provided with chromosome number of an organism be able to draw a suitable representa8on of the chromosomes inside a cell from this organism, in both the haploid and diploid states. (Mainly done in tutorial) 5. EFec8vely use diagrams to illustrate the DNA double helix in chromosomes before and aLer DNA replica8on (in G1 versus in G2 phases of the cell cycle) Welcome to Mitosis Monday Today’s objec?ves
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iclicker**!! Represen?ng chromosomes Is this a chromosome?
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PreLecture 6 chromosomes_mitosis_1to20 by UPAD - Lecture6...

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