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Summary Genetic information a level notes

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These notes helped me get into medical school, I completed my a levels at Guildford high school which consistently ranks among the top schools in the UK and is known for their academic rigour. I made these notes as a summary of the power points that we were taught off of.

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Genetic information prophase I I(S

((
<7)
·




·
nuclear envelop disolves
chromosomes condense
·


homologous chromosomes pair
bivalents
forming


m
Transcription · chiasmata occur



·
DNA helicase breaks It bonds
exposing bases
-
s
·
spindle forms


metaphase I ↳ bivalents line up on metaphase plate
template independent assortment
complimentary base
pairing (H bonds) to strand
·
·




· RNA
polymerase forms phosphodiester bonds > -

pre-mRNA ATCGTAGCA TemplateStrandsend anaphase I EiY
in-
1




x(
-



-
·



homologous chromosomes pulled to poles
at chiasmata-recombinant
·


exchange
chromatids


Translation !
telophase
romosomes
J uncl forms


&
·
leaves nucleus via nuclear pores


·


undergoes splicing removing introns
splicing
-
mRNA Cytokinesis
i
·
mRWA binds to ribosome

& similar to mitosis which
ribosome reads first codon and binds it to prophase 11
in
·




V


complimentary tRNA anticodon

produces somatic cells

·
tRNA has specific amino acid , ribosome

⑧ S3 metaphasell
i containing 23 pairs of

53 S 3 Not
Hydrogen
n




~
continues reading codons and adjacent homologous chromosomes
Sabad L




ii)
VAGGC AU CGU A A
amino acids form peptide bonds T anaphase /1
-


tRNA released
GC
·

polypeptide chain released
&
telophase
-
DNA helicase breaks
hydrogen bonds

Domain
Artificial classification-
betwee
n nucleotide bases
cytoynesis I 3 gamdid
has




!
Kingdom
>
objective

Phylum free nucleotides bind to
complimentary
Phylogenic classification > evolutionary
-




asser bases on the template strand
.
naming :




Famia
l
s genus , Species -
DNA
polymerase forms these phosphodiester bonds

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August 25, 2024
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