Hmm i think it might be a <span>covalent </span>bond
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It is the “parent” generation, or the “paternal” one which the rest are observed from.
Answer:
a. population
Explanation:
Gene flow cannot occur in hybrids because 99.9% of the time hybrids offspring are not fertile.
At genus level is not possible either because a hybrid is a cross breed at the genus level (horse-donkey).
A population is a group of species of 1 kind. A population of donkeys.