Genetics
Which one from those given below is the period for Mendel's hybridization experiments?
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Single Choice
In Pisum sativum there are 14 chromosomes. How many pairs with different chromosomal composition can be prepared?
A$$2^{14}$$
B$$2^7$$
Correct Answer
C7
D14
Solution
An organism can make 2$$^n$$ different combinations of chromosomal compositions where “n” refers to number of homologous pairs; chromosomes are present in pairs and a diploid organism carries two complete sets of homologous chromosomes. Thus, 2n = 14 makes total 7 pairs of homologous chromosomes which can form 2$$^7$$ different combinations
So, the correct answer is '2$$^7$$'
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