sjeueujs2067
14.06.2021 •
Biology
Twins are born. One is a boy and one is a girl. Which statement is correct about their genetic makeup?
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Ответ:
If twins are a boy and a girl, clearly they are fraternal twins, as they do not have the same DNA. A boy has XY chromosomes and a girl has XX chromosomes. Girl-boy twins occur when one X egg is fertilized with an X sperm, and a Y sperm fertilizes the other X egg.
Explanation:
Ответ:
ana tiene bipolaridad
Explanation:
ya que su humor cambia constantemente y tiene momentos depresivos mas altos maniaticos