Class Notes (1,100,000)
CA (620,000)
Western (60,000)
BIOL (7,000)
BIOL 1001A (1,000)
Tom Haffie (1,000)
Lecture 10

Biology 1001A Lecture Notes - Lecture 10: Meiosis, Ploidy, Mitosis


Department
Biology
Course Code
BIOL 1001A
Professor
Tom Haffie
Lecture
10

This preview shows page 1. to view the full 5 pages of the document.
Lecture'10:'Meiosis'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
Independent'Study'Outcomes'
1.''Products'of'meiosis'in'animals'vs.'plants,'fungi'and'algae'
'
'
Animals'
Plants'
Fungi'&'Algae'
You're Reading a Preview

Unlock to view full version

Only page 1 are available for preview. Some parts have been intentionally blurred.

''
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
'
2.''Timing'of'meiosis'in'vertebrate'life'cycles'
In'female'mammals:'oocytes'stuck'in'meiotic'arrest,'sexual'recombination'has'
already'occurred'
o Fertilization'triggers'continuation'of'meiosis'
In'males:'continuously'“sexually'recombining”''
'
3.''Main'differences'between'meiosis'and'mitosis'
'
'
'
'
'
'
'
'
'
4.''Characteristics'of'homologous'chromosomes'
Mitosis'
Mitosis
Mitosis
Diploid'life'multicellular'
Haploid-'unicellular'
Meiosis'produces'haploid'
gametes-followed'by'gamete'
production''
Mostly'diploid'phase'
Gametes'from'MEIOSIS'
Product'of'meiosis'is'spores'that'is'followed'by'mitosis'which'produces'
gametes'
Gametes'from'MITOSIS''
Meiosis''
Produces'4'daughter'cells'
Genetically'different'
Haploid'gametes'(n)'
Only'occurs'in'diploid'organisms'
2'divisions''
'
Mitosis'
Produces'2'daughter'cells'
Genetically'identical'
Diploid'products'(2n)'
Occurs'in'all'organisms'
1'division''
You're Reading a Preview

Unlock to view full version