00:01
This question we are given that many members of a family were affected with cancer.
00:06
Many members had cancer and that too from a very young age.
00:12
From a very young age.
00:14
So we need to explain the reason for this development of cancer.
00:19
So let's analyze all the options one by one.
00:21
First it is given that the members they inherited a mutation in a gene required for dna synthesis.
00:28
Inherited a mutation required for dna synthesis.
00:38
Now this can be an option because if there is a mutation in dna synthesis, dna would not be synthesized properly which can lead to the development of different type of cancers.
00:52
Then option b suggests that the individuals they inherited a mutation in a gene required for synthesis of purine nucleotides.
01:03
Mutation in purine nucleotides.
01:08
Now this can be an option but the purine nucleotides, mutation in purine nucleotides they are not commonly associated with cancer.
01:17
Cancer not commonly associated with cancer.
01:26
So even if there is a mutation in purine nucleotide it would not necessarily develop cancer...