Final Review Multiple Choice flashcards _ Quizlet

H o w m a n y c h ro m o s o m e s a re in th eh o

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Unformatted text preview: e p u rp o se o f mito sis is to en ab le ex istin g cells to g en erate n ew, g en etically id en tical cells So matic cells can in clu d e Kid n ey cells, h eart cells, liv er cells Usin g a lig h t micro sco p e, it is easiest to see c h ro m o s o m e s : d u rin g mito sis an d meio sis b ecau se th e co n d en sed ch ro mo so mes are th ick er an d th erefo re mo re p ro min en t Th e h u man g en o me is mad e u p o f: 4 6 Ch ro mo so mes Cro ssin g o v er tak es p lace d u rin g meio sis Th e eg g cells o f a h o rse co n tain 3 2 c h ro m o s o m e s . H o w m a n y c h ro m o s o m e s a re in th e h o rse's so matic cells? 64 Wh eth er it is eg g o r sp erm b ein g p ro d u ced th ro u g h meio sis, u n d er n o rmal circu mstan ces, each g amete en d s u p with : Eq u al amo u n ts o f cy to p lasm Wh ich o f th e fo llo win g statemen ts is NOT co rrect o f h u man sex ch ro mo so mes? All d ip lo id cells h av e b o th an X an d a Y c h ro m o s o m e In so me sp ecies, sex is d etermin ed b y en v iro n men tal, rath er th an g en etic facto rs. th is is tru e o f: sea tu rtles Ho w man y h u man traits are co n tro lled b y a sin g le g en e? o v e r 9 , 0 0 0 Wh ich o f th e fo llo win g d id Greg o r Men d el n e v e r s e e ? a c h ro m o s o m e Th e law o f seg reg atio n states th at alleles fo r a g iv en trait seg reg ate in to d ifferen t g ametes Wh ich o f th e fo llo win g statemen ts ab o u t d o min an t traits is co rrect? Th ey u su ally su p p ress th e ex p ressio n o f th e recessiv e trait An in d iv id u al with two in d iv id u al alleles fo r a p articu lar g en e is said to b e: h o mo zy g o u s fo r th at g en e Th e test­ cro ss ­mak es it p o ssib le to d etermin e th e g en o ty p e o f an in d iv id u al o f u n k n o wn g en o ty p e wh o ex h ib its th e d o min an t v ersio n o f a trait ­ is a cro ss o f an in d iv id u al wh o se g en o ty p e fo r a trait is n o t k n o wn with an in d iv id u al h o mo zy g o u s­ recessiv e fo r th e trait ­ so metimes req u ires th e p ro d u ctio n o f mu ltip le o ffsp rin g in o rd er to rev eal th e g en o ty p e o f an in d iv id u al wh o se g en o ty p e is u n k n o wn A situ atio n in wh ich th e h etero zy g o te o ffsp rin g o f two h o mo zy g o u s in d iv id u als sh o w a p h en o ty p e in termed iate b etween th o se o f th e p aren ts is...
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This document was uploaded on 02/25/2014.

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