Why chromosomes do named this way?

Explanation:

 chromosome comes from the Greek words which means color (chroma) and body (soma). Scientists gave this name to chromosomes because they are cell structures, bodies, that are strongly stained by some colorful dyes used in research.

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explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.