CON .pdf - MEIOSIS AMOEBA SISTERS VIDEO RECAP Amoeba...

This preview shows page 1 - 2 out of 2 pages.

AMOEBA SISTERS: VIDEO RECAP MEIOSIS Amoeba Sisters Video Recap of Meiosis 1. The purpose of meiosis is to make gametes , also known as sperm and egg cells. In humans, your body cells have 46 chromosomes. How many chromosomes are in a sperm or egg cell if, when they come together to form a fertilized zygote, there are 46 chromosomes? Write the correct number of chromosomes next to the sperm and egg. 2. Interphase must occur once before meiosis can happen. (Same thing for mitosis). What would happen if interphase didn’t occur first? 3. A cell that begins meiosis has 23 chromosomes inherited from the mother (shown in green in the cartoon below) and 23 chromosomes inherited from the father (shown in blue in the cartoon below). In the process of meiosis, chromosomes begin to match up in homologous pairs. How would you know if two chromosomes were homologous ? 4. Crossing over is a very important event in Prophase I of meiosis! What happens during crossing over and what is the significance?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture