Answer:
cause your a human being and humans have feelings simetimes so it's totally normal and you can also be depressed if you've just gone through a heartbreak
There are multiple certain genes that parents and ancestors can pass on to their children, and grandchildren. for example eye color, hair color, height, and other physical characteristics they may possess.
Within genetics, a special branch of DNA science emerged which studies the heritability of such traits as intelligence<span>, behavior, and </span>personality<span>.
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Therefore, just like your eye color, you can inherit other characteristics from your parents besides physical characteristics.
It depends on if the mother and father have dominant or recessive alleles or genes
