Chapter 10 - PrepU flashcards _ Quizlet

Amu tatio n ssh o u ld o ccu rran d o mly atarate th

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Unformatted text preview: aly sis? d efin es a sp ecies as an y g ro u p o f actu ally o r p o ten tially in terb reed in g sp ecies th at p ro d u ce v iab le o ffsp rin g . Th e mark er g en e sh o u ld b e p resen t in mu ltip le co p ies d u e to d u p licatio n ev en ts in th e o rg an isms o f in terest. a) Mu tatio n s sh o u ld o ccu r ran d o mly at a rate th at reflects th e tru e ev o lu tio n ary d istan ce b etween th e o rg an isms o f in terest. b ) Th e mark er g en e sh o u ld p lay a co mp lex ro le in th e cell so th at it is u n lik ely to b e su b ject to lateral tran sfer. c) Th e mark er g en e sh o u ld h av e th e same fu n ctio n in all th e o rg an isms o f in terest. d ) Th e mark er g en e sh o u ld b e p resen t in mu ltip le co p ies d u e to d u p licatio n ev en ts in th e o rg an isms o f in terest. e) Th e mark er g en e sh o u ld b e larg e en o u g h to co n tain a fair amo u n t o f p h y lo g en etically u sefu l in fo rmatio n . All mammals h av e h air b ecau se th ey in h erited th at trait fro m a co mmo n an cesto r. Featu res th at are in h erited fro m a co mmo n an cesto r are called : h o mo lo g o u s featu res. a) co n v erg en t featu res. b ) an alo g o u s featu res. c) h o mo lo g o u s featu res. d ) ad ap tiv e featu res. e) p u n ctu ated featu res. Th e two in d iv id u als p ictu red ab o v e are memb ers o f d ifferen t sp ecies b ecau se: a) h y b rid s b etween th em are n o t fertile. b ) th ey are at th e far en d o f th e rin g in a rin g sp ecies. c) o f p rezy g o tic b arriers to th eir ab ility to b re e d . d ) o n e is a p red ato r, th e o th er p rey . e) o f p o stzy g o tic b arriers to th eir ab ility to b re e d . o f p rezy g o tic b arriers to th eir ab ility to b re e d . At th e time life first ap p eared o n earth , th e atmo sp h ere co n tain ed larg e amo u n ts o f n itro g en , meth an e, ammo n ia, h y d ro g en , h y d ro g en su lfid e, an d : carb o n d io x id e. a ) n e o n . b ) o x y g e n . c) carb o n d io x id e. d ) h eliu m. e ) o z o n e . Wh ich o f th e fo llo win g g ro u p s wo u ld b e p laced n earest th e fu n g i in a p h y lo g en etic tree b ased o n DNA seq u en ces? an imals a ) a rc h a e a b ) an imals c) b acteria d ) p ro tists e) p lan ts A p o p u latio n o f o rg an isms th at b reak s away an d b eco mes d ifferen t fro m th e o rig in al p o p u latio n th ro u g h iso latio n an d sep arate ev o lu tio n mig h t ev en tu ally b eco me a sep arate: sp ecies. a) class. b ) o rd e r. c ) g e n u s . d ) d iv ersity . e) sp ecies. Wh at k in d o f mo lecu le is th o u g h t to h av e b een th e first g en etic material? RNA a ) D N A b ) p ro tein c) micro sp h ere d ) carb o h y d rate e) RNA Ph y lo g en etic trees are b u ilt u sin g : a) similarities in th e p h y sical stru ctu re o f o rg an isms. b ) similarities in th e emb ry o lo g ical d ev elo p men t o f o rg an isms. c) similarities in th e DNA seq u en ces o f o rg an isms. d ) tissu e samp les. e) a), b ), an d c) are all co rrect. a), b ), an d c) are all co rrect. If fo rmerly in terb reed in g o rg an isms are p rev en ted fro m th e p ro d u ctio n o f fertile o ffsp rin g , _ _ _ _ _ _ _ _ _ _ _ _ h as o ccu rred . rep ro d u ctiv e iso latio n a) rep ro d u ctiv e iso latio n b ) g eo g rap h ic iso latio n c) p sy ch o lo g ical iso latio n d ) b eh av io ral iso latio n e) p h y sio lo g ical iso latio n Wh ich o f th e fo llo win g g ases was th e least ab u n d an t in th e Earth 's atmo sp h ere 3 .5 b illio n y ears ag o ? o x y g en a) water v ap o r b ) o x y g e n c) n itro g en d ) carb o n mo n o x id e e) carb o n d io x id e Wh at is th e ap p ro x imate ag e o f Earth ? 4 .6 b illio n y ears a) 1 .2 b illio n y ears b ) 2 8 5 millio n y ears...
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This document was uploaded on 02/25/2014.

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