Gthenuc leargenomeac elleg abac

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Unformatted text preview: proteins c alled his tones . The DNA­protein c omplex , or c hromatin, is a long, threadlik e s truc ture. In its mos t highly pac k ed or c ondens ed s tate, c hromatin appears as s hort, thic k c hromos ome s truc tures c ons is ting of two s is ter c hromatids . Hin t 2. Can you rank the size of three DNA­containing structures? Rank these DNA­containing structures from largest to sm allest. Hin t 1. Genes and genomes Genes are the fundamental units of inheritanc e. A gene is a s egment of DNA with a well­defined s equenc e, whos e information determines s ome c harac teris tic or trait of an organis m. The term genome ty pic ally refers to all of the genetic material within s ome unit s uc h as an organelle (e.g., the nuc lear genome), a c ell (e.g., a bac terial genome), or an organis m (e.g., the human genome). ANSWER: se ste r ingbiology.c om/myc t/a ssignme ntPr intVie w? a ssignme ntI D= 2242938 6/28 13- 10- 13 Cha pte r 13 Hin t 3. What are gametes? Select the statem ent that accurately describes gam etes. ANSWER: Gametes , s uc h as eggs and s perm, are haploid reproduc tiv e c ells that fus e duri...
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