A parent population (P) is change into daughter populations (Q) which grow in habitats. After 1000 generations, the equilibrium frequency distribution of of the daughter populations is shown in the figure below. For reference, the vertical line represents the mean of the parent population. Which type of natural selection?

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#Question id: 3275

#Section 3: Genetics, Cellular and Molecular Biology

When imbalances occur in the sex ratio of sexual species that have two sexes (that is, other than a 50:50 ratio), the members of the minority sex often receive a greater proportion of care and resources from parents than do the offspring of the majority sex. This is most clearly an example of ________.

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#Question id: 15865

#Section 6: Plant, Animal and Microbial Biotechnology

What is the procedure during the formation of secondary callus culture?

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#Question id: 1405

#Section 3: Genetics, Cellular and Molecular Biology

A gain-of-function mutation in which of the following would have the same effect as a gain-of-function mutation in Ras?

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#Question id: 21265

#Section 5: Bioprocess Engineering and Process Biotechnology

In a chemical reaction, __________ are conserved.

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#Question id: 185

#Section 2: General Biology

Match the amino acids with their correct functional group:

1. Indole	i. Histidine
2. Imidazole	ii. Tryptophan
3. Thiol	iii. Cysteine
4. Pyrrolidine	iv. Proline