Meosis, Mitosis, and Genetics IB Biology Year 1 Notes

mitosis Amat hd d t
Par
lotsofcopiesofaportionofDna
neededDnabutter tagpolymerasenucleotides
primer

my 1Denaturationaddedneattoseparatestrands
2annealingcooledaprimersareadded
3DnasynthesismakemorecopiesbyusingTaapolymerase
onecyclezcopies
crimesceneinvestigationDisease eat
diagnosis

tagpolymeraseanenzymeisolatedfrom
thethermophilicbacteriumthermosaquaticus
itisabletofunction athightempusedinpermodenaturing
extendsnucleotidechainfromtheprimers therefore areusedtoselectsequence
primers

phasezchromosomescondensealine
o upwitheir tobecopied
pairs crossingover
omologous happens getelectrophoresis
ta upinthecenter
phaseshomologouspairsline p roteinsorDna
seperaterisolate onmasssize
based
fragments

na
phaserchromosomespulledaway arenegwhichgives
phosphates Dnaaneacharge
phaserendwizcells
elo restriction
e nzymes usedtocut
are Dnatoonlykeepidenticalmarkers
ophasezspindlefibersform used
relatedness
fingerprinting

etaphasechromosomeslineupincenter
na pulledtooppositeends
phasechromatidsget

to
phasen ucleusreforms

kinesis4daughtercells
to
Geneticvariation
cinprophasen
over
rossing
randomassortmentofchromosomes in
metaphase

andom
fusionof
g ametesfromdiffparents
ayyy
nromosomes
failtoseperatecorrectly
e oneextraormissingchromosomes
suits

iafailureofhomologoustoseperateinanaphase orsisterchromatidsnot
aeratinginanaphase

vssyndrometrisomy131
opata

trisomyis
awardssyndrome

Down an
syndrometrisomy

fettersyndromexxx
online

so
Turner'ssyndromemono
myx