Which of the following pairs of scientists discovered the Rhesus factor in human blood?

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Which of the following represents the phenotypic ratio of the above genetic cross?

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The organic molecule(s) present in the nucleus is/are

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Which of the following represents the genotypes of the parents if R is for red gene and r for white gene?

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Improper sewage disposal could be dangerous for the following reasons except

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Which of the following is an example of continuous variation?

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Legumes incorporate nitrogen gas into their proteins because

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Forest conservation includes the following except

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Renewable resources are formed by

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Viruses are pathogens of the following diseases except

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Fish cannot survive on land because it has

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Which of the following will have the least effect on the rate of change of the numbers in a population?

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