Más contenido relacionado La actualidad más candente La actualidad más candente (20) biologia72. 44 XY 44 XX
44 XY
22 X 22 X22 Y
44 XX
SPERMS
OVULES
SEX DETERMINISM
IN HUMANS
HETEROGAMETIC SEX HOMOGAMETIC SEX
6. A A A A
B B b b
C C C C
D D D D
E E e e
F
G
F F F
G g g
10. Imagine that Recombination takes place
only in one pair of Chromosomes. From
the mother cell after Meiosis would
appear four types of ovules.
18. The main events in Meiosis
2. Random Crossing
over between
homologous
chromosomes
1.Homologous
Chromosomes
Separate during
ANAPHASE I
24. Variability causes in Meiosis
1. Crossing over
3.Separation of sister
Chromatides during ANAPHASE II
2.Homologous Chromosomes
Separation during ANAPHASE I
29. A1
A2
A1 A2
A3 A4 A3
A4
ANAPHASE II
3.Separation of sister Chromatides during
ANAPHASE II
30. A B A A B B
C C C C
REPLICATION
S
H
O
M
O
L
O
G
O
U
S