100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Mitosis and Meiosis £2.99   Add to cart

Lecture notes

Mitosis and Meiosis

 3 views  0 purchase

Lecture notes of 6 pages for the course Medicine at QUB (Genetics)

Preview 2 out of 6  pages

  • March 9, 2022
  • 6
  • 2020/2021
  • Lecture notes
  • Na
  • All classes
All documents for this subject (76)
avatar-seller
caustin2536
MITOSIS t MEIOSIS
Human DNA
Efficiently packed into compact units
called chromosomes in the nucleus
Most cells are diploidCexcept Ova and sperm with 23
pairs of Cnrs 44 autosomes t 2 sex Cnrs Xxl x 4
Chromosome abnormalities Cause of and
infertility
recurrent miscarriages
SO i of embryos that spontaneously abort in the first
trimester have a Cnrs abnormality
I 1200 newborns have
multiplecongenital abnormalities
due to ours
Most chis
abnormally babies are born to normal

parents I have a subtle
change which does not
have an effect on their health but puts them at high risk
of miscarriage
Cancer cells
typicallyrequire multiple chrs abnormalities
not present in normal cars of the patient

, Chromosome packaging Nucleosomes DNA wrapped
around 8 hi stones
Chromatin Network of DNA and proteins that make up
chromosomes
duringinterphase
Heterochromatin Highlycondensed and genetically
inactive
mainly at centromeres
Euchromatin Lighterstaining relativelyopen structure
where
genesmay be accessed and are active Includes
protein coding genes
Telomere cap at end of chromosome
Centromere I Chris Position on chrs where 2
sister chromatids are joined
P arm short arm of ours
0 arm long arm of ours
Autosome chis that isn't a o ex aus
Any
CLASSIFICATION OF CH RS
A End of Chrs
B Towards top of chis
c Slightly towards Pam
D Middle

R R

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller caustin2536. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £2.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

64438 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£2.99
  • (0)
  Add to cart