Question

term to refer to the collective microtubule fibers that act to move duplicated chromosomes to the equator of the cell and also to pull sister chromatids to opposite poles of the cells. a) centriole b) chromatin c) aster d) spindle question 10 (0.5 points) a type of division of the nucleus in which there are four daughter cells that are haploid compared to the diploid parent cell. a) meiosis b) crossing over c) cytokinesis d) mitosis

Explanation:

• For the first question:
• A centriole is a small cylindrical cell structure involved in the organization of microtubules.
• Chromatin is a complex of DNA and proteins found in the nucleus.
• An aster is a star - shaped structure formed around each centriole pair.
• The spindle is composed of microtubule fibers that move chromosomes during cell division, including moving duplicated chromosomes to the cell equator and pulling sister chromatids to opposite poles.
• For the second question:
• Meiosis is a type of nuclear division that results in four haploid daughter cells from a diploid parent cell.
• Crossing over is an event that occurs during meiosis where genetic material is exchanged between homologous chromosomes.
• Cytokinesis is the process of cell division (division of the cytoplasm), not nuclear division.
• Mitosis results in two diploid daughter cells (in most cases, for somatic cells in animals and plants) from a diploid parent cell.

Answer:

• First question: d) spindle
• Second question: a) meiosis