Answer:
well i only know that a male has 23 chromosomes and his hormones are called testosterone ,please follow me and his sex chromosome is <em><u>xy</u></em>
Answer:
i think it's B
couse from my knowledge is that <em><u>respiration</u></em><em><u> </u></em>is the intake of carbon dioxide and form it into oxygen
I believe i the correct answer is c because he notices that some of the traits weren't being passed on.
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