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Why do all humans have similar features? O They have the same number and kinds of chromosomes. Their genes do not allow for any variation. O They have identical alleles. O They have different alleles.​

Sagot :

Answer:

They have the same number and kinds of chromosomes

Explanation:

Human faces are so variable because we evolved to look unique. The amazing variety of human faces – far greater than that of most other animals – is the result of evolutionary pressure to make each of us unique and easily recognizable, according to a new study by University of California, Berkeley, scientists.