can you explain the table 5.3 given on pg82,biology ncert book?

A
Occur in pairs
Segregate at the time of gamete formation such that only one of each pair is transmitted to a gamete
Independent pairs segregate independently of each other

B
Occur in pairs
Segregate at gamete formation and only one of each pair is transmitted to a gamete
One pair segregates independently of another pair

The table enlists the differences between chromosomes and genes and you need to identify which column enlists characteristics of chromosome and which for gene.

As you know by chromosomal theory of inheritance, genes are located on  the chromosome and it is the Chromosome that segregates and assort independently during meiosis.  so, the column A represents chromosomes and B represents gene. 

If you encounter any doubt in a particular point of the table, do get back to us!!

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