If you're male, your body uses meiosis to create sperm cells; if you're female, it uses meiosis to create egg cells. Others cells in your body contain 46 chromosomes: 23 from your father and 23 ...

This process is called pollination. When the pollen reaches another flower, it travels to the ovary where it fertilises the egg cells to make seeds. This process is called fertilisation.

In the mouse developing embryo, she previously demonstrated a bias at the two-cell stage: one cell contributed more to fetal tissue and the other to the placenta. 4 “We know so little about the very ...

The cell cluster formed by this microbe closely resembles an animal embryo in its earliest stage, known as a blastula. This resemblance has led scientists to propose that it may serve as a model ...

Scientists at a technology company said Sunday they have created human embryos through cloning, drawing criticism from President Bush and lawmakers and raising new ethical questions. Advanced Cell ...

Embryonic stem cells are pluripotent, meaning that they have the ability to differentiate, or change, into many directions. Embryonic development Development starts with a fertilized egg cell, which ...

They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each ...