Summary Exam Prep for Midterm 2 and Midterm 3 for General Biology

MITOSIS PMAT Asexual Reproduction



is iii CD
Elitiate
chromosomes
ofS.name
chromosomes
fissiine Eis Lili
titi
2n 14 aging peten
Ploidyneverchanges
2




MEIOSIS PMAT 2 SexualReproduction


to
art YE
in s
profits
fists
Interphase Metaphase I ITimologous
Anaphase I telophase I
chromosomes condense homologouschromosomes chromosomes chromosomes
nuclearenvelopebreaks m le move away gatheratpoles of
thinIT
mquento
2n 46
ii
crossingoveroccurs
Imo chiasmdivides
2n 46 lawof segregation
n 23

ploidy changes
DIPLOI
G Repeat PMAT
to
kid 9 7 n n



Fit
telophase
Prophase I Anaphase I I
newspindeforms
Metaphase centromeres divide nuclearenvelope
around chromosomes chromatidsmove away formsaroundeach
ftp.qp.in
n 23 n 23 setofchromosomes
m 23 cytoplasmdivides

n 23
ty 4Haploid
n 4
countchromosomesby
centromere



Do
centromere




H timosomeenromat.io Tetromatia

, Lecture 10


The Cell Cycle


Iiifi G1
ii
gap1
Phase interphase




L is when


1
qE esimnEsis

2 S Phase
Chromosomes duplicate 2n 2n
form identicalsister chromatids
heldtogether at centrome bycohesionproteins
Apoptosis cellselfdestructs
3 G Phase ensuresirreparablecellswill
centrosomes duplicate notdivide
2 centrioles per centrosome
FUNCTION move chromosomes

4 M Phase
meiosismitosis depending onorganism
PMAT




Haploid
complete sets of chromosomes
I complete set of chromosomes somatic cells
1 of each chromosome allothercells thataren't gametes
gametes humanshave46 diploid chromosomes
sex cells

2
2
33 n 2 2
2 20 4

bothcan undergo mitosis