Answer :
The most important in classifying two groups of bears into the same genus are similar genes. The correct option is B.
What is a genus?
Genus is a taxonomic rank that is used to categorize living and extinct creatures, in terms of biology. Genus is placed below family in the biological categorization hierarchy and above species.
The genus contains similar organisms or animals, that are similar like dogs come into cannis and so the wolves, jackals, and similar animals.
In the case of bears, they will come under the same genus if they have similar genes, if they have similar genes, they have similar traits and characters, which will help in classifying them into a genus.
Similar habitat and similar diets or body size do not matter for classifying in the same genus, because two very different animals can have similar diets or habitats.
Thus, the correct option is B. similar genes.
To learn more about genus, refer to the below link:
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