Answer:
An allele is one of a pair of genes that appear at a particular location on a particular chromosome and control the same characteristic.
Explanation:
Agree on using one system. That way no one would be confused by the measurements and everyone would have the same calculations without having to painfully convert. Preferably the metric since it was designed to be easy
Shorten this answer as you will
The basic reason why unripe fruits have defensive chemicals is that they need to protect the seeds that are not ready to germinate. On the other hand, the seeds of the ripe fruits are ready to germinate and so they need to get spread with the help of animals and birds and so there are no defensive chemicals. These seeds spread to different places and the soils help them to germinate under suitable conditions.