Human body cells have 23 pairs of chromosomes in the nucleus. Twenty two pairs control most of the characteristics. They carry genes that determine an embryo's sex.
Twenty two pairs control most of the characteristics. Human body cells have 23 pairs of chromosomes in the nucleus. They carry genes that determine an embryo's sex.
Human body cells have 23 pairs of chromosomes in the nucleus.
Human body cells have 23 pairs of chromosomes in the nucleus. They carry genes that determine an embryo's sex. Twenty two pairs control most of the characteristics.
Human body cells have 23 pairs of chromosomes in the nucleus. Twenty two pairs control most of the characteristics. They carry genes that determine an embryo's sex.
Twenty two pairs control most of the characteristics. They carry genes that determine an embryo's sex. Human body cells have 23 pairs of chromosomes in the nucleus.
Twenty two pairs control most of the characteristics.
Twenty two pairs control most of the characteristics. They carry genes that determine an embryo's sex. Human body cells have 23 pairs of chromosomes in the nucleus.
They carry genes that determine an embryo's sex. Twenty two pairs control most of the characteristics. Human body cells have 23 pairs of chromosomes in the nucleus.
Human body cells have 23 pairs of chromosomes in the nucleus. They carry genes that determine an embryo's sex. Twenty two pairs control most of the characteristics.
They carry genes that determine an embryo's sex.
Twenty two pairs control most of the characteristics. They carry genes that determine an embryo's sex. Human body cells have 23 pairs of chromosomes in the nucleus.
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