Answer:
1. A human body has 23 pairs of chromosomes out of which 2 pairs are sex chromosomes.
2. Male has X and Y chromosomes whereas the female has both X chromosomes.
3. The baby inherits an X chromosome from mother and X or Y chromosome for father.
4. If a baby inherits X from father then the baby will be a girl and if inherits Y then that baby will be a boy.
5. In such a way, sex of the child is determined and it is always determined by the father only.
Answer:
These researchers are confusing the every-day meaning of selfish with the evolutionary meaning; if generous behavior is adaptive, then it is also selfish in evolutionary terms.
Explanation:
From their claim, it is clear that the researchers are simply confusing the general meaning of selfishness with the evolutionary meaning. This means that generous behavior isn't adaptive, because if it is, then it is okay to say that generous behavior is also selfish when defined from an evolutionary point of view.
The answer is B, the NDC is a 10 digit number, in 3 segments. It's a universal product identifier for human drugs in the U.S. I hope this helps
