In an Asian rice paddy, carp eat decaying material from around the base of rice plants while a snail scrapes algae from the leaves, stems, and roots of the same plant. They can survive at the same time in the same rice paddy because they

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#Question id: 4001

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not true about the lac repressor?

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#Question id: 3334

#Unit 11. Evolution and Behavior

Red hair is a dominant trait in human. In a randomly mating population in Hardy-Weinberg equilibrium approximately 91% of individuals are red- haired. What is the frequency of the recessive allele?

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#Question id: 28196

#Unit 5. Developmental Biology

 the tissue that produces a signal that changes the cellular behavior of the other tissue is called___

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#Question id: 3622

#Unit 8. Inheritance Biology

Two allelic genes are situated on

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#Question id: 17268

#Unit 8. Inheritance Biology

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. Estimate p, the frequency of allele A, in Generation 1?