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One Cell: The Fertilized Egg Cell. From One Cell. From One Cell. to Many. to Many. Many Cells: The Embryo Develops. INVERTED PYRAMID OF DEVELOPMENT. HUMAN BODY CELL. nucleus. cell membrane. cytoplasm. White Blood Cell. Nerve Cell. nucleus membrane. chromosomes. REPRODUCTIVE CELL.
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One Cell: The Fertilized Egg Cell From One Cell From One Cell to Many to Many Many Cells: The Embryo Develops
HUMAN BODY CELL nucleus cell membrane cytoplasm White Blood Cell Nerve Cell nucleus membrane chromosomes
REPRODUCTIVE CELL egg cell sperm cell
Diagram 1: Human Body Cells Male Female X AND Y CHROMOSOMES XY chromosome XX chromosome
Diagram 2: Human Reproductive Cells Male Female Y chromosome X chromosome X AND Y CHROMOSOMES X chromosome X chromosome
Diagram 3: Sex Determination Male Female X egg X AND Y CHROMOSOMES Y sperm X egg X sperm