In an equilibrium population: A) natural selection occurs. B) rates of gene flow

Question

In an equilibrium population: A) natural selection occurs. B) rates of gene flow are constant. C) mutation rates do not change. D) population size cannot change. E) allele frequencies do not change. The two polynucleotide chains in a DNA molecule are attached to each other by: A) peptide bonds between amino acids. B) covalent bonds between phosphates and sugars. C) ionic bonds between "R" groups in amino acids. D) hydrogen bonds between bases. E) covalent bonds between carbon atoms. During cell division, all of the following typically occur EXCEPT: A) the hereditary information is identical in both parent and daughter cells. B) each daughter contains half of the cytoplasm from the parent cell. C) each daughter cell receives half of the hereditary information in the parent cell. D) two daughter cells are produced from one parent cell. The scientists usually given credit for disproving the theory of spontaneous generation of bacteria are: A) Cech and Altman. B) Oparin and Haldane. C) Tyndall and Pasteur D) Miller and Urey. E) Luis and Walter Alvarez. When the two gametes that fast to form a zygote contain different alleles of a given gene, the offspring is: A) haploid. B) a new species. C) homozygous. D) heterozygous. E) abnormal. Before the modern era of science, organisms were assigned to species on the basis of: A) geographic location. B) the existence of fossils of earlier forms. C) behavioral similarities. D) similarities in appearance. E) their capability of interbreeding. Which of the following can cause evolutionary change in a small population? A) lack of mutations B) homozygous individuals C) genetic drift D) lack of gene flow E) all recessive alleles

Explanation / Answer

72) The factors that determines allele frequencies to reach equilbrium state are given by Hardy-Weinberg's law. They are,

So, in an equilbrium population allele frequencies do not change (option E)

The answers for all the questions seem to be right.

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