The answer is: a barrier prevents gene flow between two populations of the same species.
Answer:
• Men with Klinefelter's syndrome have an extra X chromosome.
• Of the 23 pairs of chromosomes, one pair is called the sex chromosomes because they determine a person's sex. One sex chromosome is inherited from the mother and the other from the father. Mothers always pass on an X chromosome, but fathers can pass on an X or a Y chromosome. -
•The normal male chromosome arrangement is 46XY, but men with Klinefelter's syndrome have 47XXY. The extra X chromosome can come from either parent.
Explanation:
Of all the choices given this is not a function of the CSF:
- CSF helps to promote mitosis within nueronal tissues.
All the other choices support the correct function and physiology of the CSF within the brain. This clear, colorless bodily fluid supports the brain and its functions.
dominant because if it wasm't 1 would come out short
