If one organ is an exaptation of another organ, then what must be true of these two organs?

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#Question id: 12192

#Unit 6. System Physiology – Plant

ATIs has been identified that inhibits the AUX1 uptake carrier that is

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#Question id: 6570

#General Aptitude

Which term comes next in the sequence : T, R, P, N, L, ?, ?

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#Question id: 9219

#Unit 9. Diversity of Life Forms

If the sex ratio in a population is significantly different from 50:50, then which of the following statements will always be accurate?

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#Question id: 19107

#Unit 8. Inheritance Biology

Assume that mating is random. First, consider an autosomal recessive disease that is usually lethal in childhood, and that has an incidence among newborns of 1/3000.  Perhaps the explanation for the incidence of the disease is heterozygote advantage. How large would this heterozygote advantage have to be (assuming the mutation rate is negligible)? 

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#Question id: 14481

#Unit 13. Methods in Biology

A card is drawn from an ordinary pack of playing cards and a person bets that it is a spade or an ace. Then the odds against his winning this bet is