11CellDivisionMeiosisPowerPoint

- Meiosis& Sexual Reproduction Lecture 11 Transfer of characteristics from parent to offspring through their genes • Complete complement of

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Unformatted text preview: Meiosis & Sexual Reproduction Lecture 11 ________ Transfer of characteristics from parent to offspring through their genes • ________ - Complete complement of an organism’s DNA. • ___________ - carry genes. • ______ – “unit of heredity” made of DNA. Chromosomes & Genes • Cellular DNA is organized in ______________ . • ______ ha ve s pe c ific pla c e s o n c hro m o s o m e s . Ho m o lo g ue s Chromosomes exist in homologous pairs in ______ (2n) cells. Exception: Sex chromosomes (X, Y). Other chromosomes, known as ___________ , they have homologues. Diploid o rg a nis m s re c e ive o ne o f e ac h type o f c hro m o s o m e fro m fe m ale pare nt (m ate rna l c hro m o s o m e s ) and o ne o f e ac h type o f c hro m o s o m e fro m m a le pare nt (pa te rnal c hro m o s o m e s ) A “m a tc he d” pa ir o f m a te rna l and pa te rna l c hro m o s o m e s are c alle d ___________. Ploidy – refers to the number of sets of homologous chromosomes in cells ● haploid – one copy of each chromosome – designated as “n ” (gametes) ● diploid – two copies (= pair) of each chromosome – designated as “2n ” (somatic cells) Karyotype...
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This note was uploaded on 11/13/2011 for the course BIO 100 taught by Professor Robinson during the Winter '08 term at BYU.

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- Meiosis& Sexual Reproduction Lecture 11 Transfer of characteristics from parent to offspring through their genes • Complete complement of

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