Genes IB Biology year 1 notes

Geness t 0
enesequenceof
Dnathat foraspecifictrait
encodes
of
thegender unbornchild
Determining
cuspositionotagene
forchromosomalabnormalities
test
esalternativeformsotagenethatcodetordittvariationsofa
trait
m
typesofmutations
Beneficialnew
missensemutations variations

nonsensemutations f unction
Badcimpacts

silent neutralnoimpact
mutations onfunction

ficklebeetleAnemia
by
used genemutation

basesubstitutionmutation
none

nsequences
an'tcarryoxygenaseffectively
norterlitespanotcens

Genome
igenesincludingnon ect
Dnasequencesintronspromotersrepeats
c oding

of
ntirebasesequences human was
g enes s equenced intheHumangenomeprojectnoon
umangenomeconsistsof46chromosomes billion
pairs aooogenes
of of
enefits completion project

mapingotgenes


of d iseases
detectingcarriers g enetic


ofnewproteins
discovery


the
insightinto originsofman

nanoia Dimaio
copies
copyofeach 2 ofeach
omosome chromosome




aryotypess
mageisgenerated
bystaining photographingchromosomes




methods

Harvestingcellsfetusorwhiteblood
cells
chemicallyinducing celldivision