TMA1/BIO403 – Population Genetics

TMA Quiz Questions
BIO403 – Population Genetics
Dr. Chukwu Maureen ( )
1 In which of the following situations is it impossible to determine allelic and phenotypic frequencies from actual counts?
2 When do changes in allelic frequencies take place due to chance alone? I. when population was small, II. when alleles are rare III. when the genotype is heterzygous
3 Which of the following will change zygotic combinations but not the alleles that pass from one generation to the next? I. assortive mating, II. out breeding , III. inbreeding.
4 Which of the following is true of males for sex-linked traits?
5 At which of the following dominant state(s) is it possible to distinguish the different genotypes possible at a particular locus? I. complete, II. incomplete III. codominance
6 Which of the following is altered by deviations from random mating in population genetics?
7 The mating of genetically unrelated individuals is known as __.
8 Which of the following is very useful in describing the gene pool?
9 Hardy-Weinberg laws depend on the following assumptions except __.
10 In a population of 1000 diploid individuals with 353AA, 494Aa and 153aa individuals, calculate the allelic frequency of A.
11 Almost all mathematical foundations of genetics changes in populations were developed during: I. 1920s, II. 1930s, III. 1940s
12 If 57% of pupils in a population have black hair, what is the frequency of black hair in the population?
13 Which of the following best describes a gene pool?
14 It is not possible to differentiate between homozygous dominant and heterozygous class in which of the following dominant states?
15 The relative mobility of protein is generally a function of the following except:
16 At what frequency do most allele that cause genetic disease in human occur?
17 The following are variations in chromosome structure except__.
18 Who initiated one of the most thoroughly studied example of chromosomal variation?
19 Excitement has arisen in the field of population genetics since 1960s in all but one of the following fronts:
20 The following are involved in the development of the mathematical foundations of genetic changes except __.

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