The type of placentation illustrated in the diagram above is

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Which of the genotypes are carriers of colour blindness?

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What is the genotype ratio of carrier females to normal males in the cross?

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Another cause that could lead to the phenomenon in the diagram is

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The effect of nitrates on water bodies

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Use the diagram above that shows the effect of nitrates on water bodies

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The inability of an organism to adapt to its habitat can lead to

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In which of the following insects is group instinct not displayed?

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Which of the following terms is associated with natural selections?

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Which of the following scientists did not contribute to the development of genetics?

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Scientists who study genetics are known as

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A cross between two parents produced four offspring’s with blood groups AB, BB, BO and AO. what is the blood group of their parents?

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