MCQ
Kidneys are located in:
- AThoracic cavity.
- ✓Abdominal cavity.
- CBody cavity.
- DPelvic cavity.
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$R-$ It reduce the chromosomes number by half while making the gametes.
| Column $I$ | Column $II$ | ||
| $A$ | Chromosomes are moved to spindle equator |
$I$ | Pachytene |
| $B$ | Centromere splits and chromatids move apart |
$II$ | Zygotene |
| $C$ | Pairing between homologous chromosomes takes place |
$III$ | Anaphase |
| $D$ | Crossing between homologous chromosomes |
$IV$ | Metaphase |