The answer is <span>A. The Y chromosome doesn't experience crossing-over.
</span>The crossover of chromosomes is the exchange of genetic material between homologous chromosomes. In males, X and Y chromosomes pairs but they cannot exchange genetic material except at the ends of the chromosomes called pseudoautosomal regions. So, greatly, the Y chromosome <span> doesn't experience crossing-over.
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Through the process of elimination:
B. A mother gives X chromosome and a father gives Y chromosome to the son.
C. The mitochondria cannot be passed in the nucleus of a cell since it is another organelle.
D. It is thought that mitochondria is passed only from mother to her offspring, so they cannot vary greatly.
Answer: Reclaiming and replanting forests in deforested answers
Explanation: just took quiz
Answer:
They are not violent killers because they need their host to stay alive for their benefit And if the host dies the parasite wont have a host so they try to keep it alive for as long as possible.
Explanation:
Answer:
i believe that cloning animals wouldn't be such a bad idea because think about how much cheaper the price of meat would get, and also think about the emotional aspects of it you could potentially clone your favorite dog or pet. the prices of meat would dramatically decrease because there is meat that are only found in a certain type of cow and it could also help world hunger.
Explanation:
<span>The answer is weeks. While the innate immunity takes immediately to respond to
an invading pathogen, the adaptive immunity takes weeks before it actively responds to the infection.
This could be attributed to the fact that innate
response is non-specific while the adaptive
response is specific to the pathogen</span>
