CHROMOSOMES SEXUAL REPRODUCTION
long , thread like structures
-
that form part of the
nuclei of cells
⑧
chromatin network In the ⑧
Ph!! nme
4¥ →
BBM.fm#i.non..n. . . . .:am:s=m.o.'
' '
÷
9.9.99 ⑧bgqgg⑧
they are made up of a strand of DNA wound around , 2n
egg fuse →
EE¥¥±÷÷÷¥t÷÷:t÷÷÷÷÷÷
. .
÷
µ EEEtE¥e Eau
Go
:
MEIOSIS l
in SOMATIC CELLS OF DIPLOID ORGANISMS reduction division can ]
• # of chromosomes in each cell is the same results → two cells being formed [ n ]
• chromosome I made Up of 2 sets each with half the # of chromosomes
}
I → maternal chromosome
PAIR
z → paternal chromosome MEIOSIS 2
copying dlvll 10h
HOMOLOGOUS PAIR OF CHROMOSOMES [ n ] [n] two haploid cells formed
db db
DNA of each chromosome Cn] Cn ] 4 haploid cells
maternal Cn ] Cn ]
paternal replicates form
to
n = 2
Bg Ggt 2 identical threads
of chromatids
CROSSING OVER
poatiermngimosomnaneemsoaitchnartomwonsgieme groups
of
mgeuteu.%eeYhwgpn.%5f.fr
' '
replication in interphase ,
C prophase I ]
µ
homologous pair of chromosomes the no !
'
9%7%9999'm ,
together in a process → synapsis
¥86qq.fpfqpH.name#kqg.⑧•¥M↳•D•f %EB.g Bgmt3.g /Tfypg .-
n.
achromatic ,
qq.mopiq.a.gg ago " ' " ""
•
.mil#n.o:mo.omeYn:ierma:i9nrootmosome
••
minion
, µ
each daughter cell receives a full compliment of genetic material swtaoprpmeme boy Hana
, .
refontmobtmnaffat
Chia , Mata =
points of crossing over where chromatids break
all outer unchanged chromatids
parent =
ME 101 If
cpeyandfyilalondtahftmatffkeffparoedf.nethgearmetftrosduintawemmoaisagnsspfrfesbottf, •
produces chromatid , with a unique combination of genes
• T variation among the daughter cells as there will be
new combinations of genetic material
latent ? !n%µn
•
during the exchange → mistakes made could lead to mutations
""
.
mmtayeupway.neypygneesm.auh.iieeinirogoyef.on.no
the '"""
..
long , thread like structures
-
that form part of the
nuclei of cells
⑧
chromatin network In the ⑧
Ph!! nme
4¥ →
BBM.fm#i.non..n. . . . .:am:s=m.o.'
' '
÷
9.9.99 ⑧bgqgg⑧
they are made up of a strand of DNA wound around , 2n
egg fuse →
EE¥¥±÷÷÷¥t÷÷:t÷÷÷÷÷÷
. .
÷
µ EEEtE¥e Eau
Go
:
MEIOSIS l
in SOMATIC CELLS OF DIPLOID ORGANISMS reduction division can ]
• # of chromosomes in each cell is the same results → two cells being formed [ n ]
• chromosome I made Up of 2 sets each with half the # of chromosomes
}
I → maternal chromosome
PAIR
z → paternal chromosome MEIOSIS 2
copying dlvll 10h
HOMOLOGOUS PAIR OF CHROMOSOMES [ n ] [n] two haploid cells formed
db db
DNA of each chromosome Cn] Cn ] 4 haploid cells
maternal Cn ] Cn ]
paternal replicates form
to
n = 2
Bg Ggt 2 identical threads
of chromatids
CROSSING OVER
poatiermngimosomnaneemsoaitchnartomwonsgieme groups
of
mgeuteu.%eeYhwgpn.%5f.fr
' '
replication in interphase ,
C prophase I ]
µ
homologous pair of chromosomes the no !
'
9%7%9999'm ,
together in a process → synapsis
¥86qq.fpfqpH.name#kqg.⑧•¥M↳•D•f %EB.g Bgmt3.g /Tfypg .-
n.
achromatic ,
qq.mopiq.a.gg ago " ' " ""
•
.mil#n.o:mo.omeYn:ierma:i9nrootmosome
••
minion
, µ
each daughter cell receives a full compliment of genetic material swtaoprpmeme boy Hana
, .
refontmobtmnaffat
Chia , Mata =
points of crossing over where chromatids break
all outer unchanged chromatids
parent =
ME 101 If
cpeyandfyilalondtahftmatffkeffparoedf.nethgearmetftrosduintawemmoaisagnsspfrfesbottf, •
produces chromatid , with a unique combination of genes
• T variation among the daughter cells as there will be
new combinations of genetic material
latent ? !n%µn
•
during the exchange → mistakes made could lead to mutations
""
.
mmtayeupway.neypygneesm.auh.iieeinirogoyef.on.no
the '"""
..
