Metaphase I

Q.

Chiasma formation takes place during:

1. Leptotene

2. Zygotene

3. Diplotene

4. Pachytene

Q. Which one of the following pairs is correctly matched?

1. Anaphase I - Homologous chromosomes are separated
2. Metaphase I - Pairing of maternal and paternal homologous chromosomes take place
3. Interphase - A nuclear envelope encloses each haploid set of chromosomes
4. Prophase I - Non-homologous chromosomes are separated

Q. During metaphase I, the spindle fibers attach to the _______ on the chromosomes.

1. kinetochore
2. centrosome
3. centromere
4. centrioles

Q. Metaphase I:

1. chromosomes gather at the two poles of the cell.
2. crossing over occurs.
3. chromosomes align on the central plane.
4. one version of each chromosome moves to a pole of the cell.