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CellReproduction
PartA. Vocabulary
Review
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2. describescellsthat do not havepairs of
chromosomes
l. a structure in the nucleusthat contilir.rs
hereditaryrnaterial
5. the joining of an eggand a spenn
3. type of reproductionwhen a new
organism(sometirnesntore than one) is
producedthat haslrereditaryrnaterial
identicalto the parent organism
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7. any permanent changein a geneor
chromosomeof a cell
8. describescellsthat havepairsof
chromosomes
9. the processin which the nucleus divides
to form two identical nuclei
10. cellsformed in the male reproductive
organs
12. type of reproduction when two sex cells,
usuallyan eggand a sperm, come together
14. a sectionof DNA (on a chromosome)
where instructionsfor rnaking specific
proteins are found
4. the codethat containsall the information
that an organismneedsto grow and functiorr
6. the cell that forms when an eggand a
spermjoin
7. a processby which haploid sexcellsare
produced
ll. a type of nucleicacid that carriesthe
codesfor rnaking proteinsfrom the
nucleusto the ribosomes
13. cellsformed in the fernalereproductive
organswhich containstoredfbocialong
with tl-reother cell parts
(el l R eproduct ion
35
Date-
N am e -
B lo c k -
how manychromosomes
wouldbein thehaploid
1.) If a diploidcellhas30 chromosomes,
cell?
l5
how many chromosomes
would be in
2)lf a sex cell of an octopushas t4 chromosomes,
the zygote?
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3.) If a do g has a haploidnumberof 2 6 , wh a t wo u ld it s d ip lo id n u mb e rb e ?
5A
4.) Humanshavea diploidnumberof {fi. fnis meansthatour haploidsexcellnumber
would haveto be what?
a e,
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5.) Finishthe DNA ladder by pairing up the correctnitrogen bases:
G CATTTG
AT G G C A A T
C GAAT
GT A C T A G C CAT
.f n cc( ) r T I RCG T Rn ftc Gc T T A c A rG A tC 6 -G-i A
6.)
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11 W}ratmovesthe chromatidsdurinqmitosis?
Ir C.faea
12. What anchorsthe spindle?
13. What are the four phasesof mitosis?
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14.Howmanydaughter
cellsarecreatedfrommitosisandcytokinesis?
15.Duringwhatphasedoescytokinesis
begin?
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16.lf a humancellhas46 chromosomes,
howmanychromosomes
willbein eachdaughter
cell? 4(D
17. lf a dog cefl has72 chromosomes,
how manydaughtercellswill be createdduringa singlecell cycle? ?
.....Eachof thesedaughter
cellswillhavehowmanychromospmes? 7 21 8 ' Th e nu c|ea r m e mbranedissoIvesduringwh a t p n a s e z ? t lp M
19.In the cellpictured
above,howmanychromosomes
are presentduringprophase?
20. Wfratstructureholdsthe individual
chromatids
together?
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