Answer:
Petiole leaves grow directly from a plant's stem
In terms of general population, the most at risk person is a white, female adolescent in the upper class.
Klinefelter syndrome
Klinefelter syndrome (KS), also known as 47, XXY, is a syndrome where a male has an additional copy of the X chromosome. The primary features are infertility and small, poorly functioning testicles. Often, symptoms are subtle, and subjects do not realize they are affected.
It looks like this:
Causes: Two or more X chromosomes in males
Complications: Infertility, autoimmune disorders, breast cancer, venous thromboembolic disease, osteoporosis
Treatment: Physical therapy, speech and language therapy, counseling
Usual onset: At fertilization
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Answer:The semi-conservative nature of DNA replication prevents mutations because every new base incorporated must be able to base pair with the original.
It is the rotation of the earth. when it rotates it causes a cycle of having the sun shine for some time, then the moon. hope this has helped, if did, plz mark as brainliest