Q. After 10 to 12 weeks of fertilization, the embryo is called

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Q. The umbilical cord contains the blood vessel of

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Q. Number of chromosomes will reduce to half as a result of

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Q. The metabolic waste products are carbon dioxide and

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Q. The semen fluid contain enzyme which nourish the sperm and enable them to

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Q. The twin babies have genes and are identical as they are derived from

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Q. Seminal vesicle is an example of

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Q. Oviduct also called

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Q. In down syndrome, a gemete may carry two copies of chromosomes number

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Q. Semen is a mixture of fluid and

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Q. Gestation is period from fertilization to

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Q. The fluid that is shock absorber and protects the embryo is

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Q. Primary follicle consist of a potential egg and

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Q. At the end of the testes a narrow, much oiled tube is present called

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Q. The breaking of sugar during respiration cause the dry mass of body to

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Q. The muscular contraction and movement of ribs for exchange of gases is

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Q. Irritability is response to a

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Q. Active transport occurs in the cell if and only if cell is

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Q. The body of living organisms is kept warm due to

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Q. Excess mucus is secreted and becomes difficult breathing during

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