What was the major transition from archaic hominins to the genus homo?

The major transition from archaic hominins to the genus homo is  Increasing brain size

Explanation:

These Archaic hominins traces were found way back before 6 million years. Though they have a similarity to homosapiens they are totally different species. Mostly traced in Africa they have variations found in the crania. The main transition is increase in their brain structure.

The evolution of humans is a topic that has to be debated on and it is contentious. DNA evidence shows that the human genus was formed from various breeding that happened between different species. The major transition occurred when the archaic hominins started breeding with humans.

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.

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