Will mark brainliest!
What are alleles?

1. The decoders of the DNA message
2. A measurable factor
3. The basic unit of inheritance
4. Two forms of single genes

4. Two forms of single genes

Explanation:

because an allele is a variant form of a given gene Which means it is one of two or more versions of a known mutation at the same place on a chromosome.

Hope this helps

the correct answer is boyle

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.