Answer:
Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I.
Explanation:
When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I.
I'm not entirely sure on this one... But I think it's 1. cell division helps animals repair old cells..
like please
Prophase
During the prophase stage of mitosis, the nucleus seems to disband itself. The nucleolus suspends itself and finally, the nuclear membrane disassembles itself. This is because of the undergoing process of copying and dividing.
Mitosis is a functional cell dividing process that helps the cells repair or rejuvenate itself because of apoptosis and other factors.
Answer:
B
Explanation:
Any drug sold in the supermarkets, convenient stores etc without prescriptions are called OTC-medication or over the counter drugs.
They are the group of drugs commonly abused by young adults. Recommendation by National Institute on Drug Abuse is that , any use of drug not related to medical purpose, but for mind-altering effects or arousal is regarded as an abuse. No doubt these drugs are obtained over the counter because they are very easy to get, very cheap and legalized by law to buy, thus easily accessible.
They drugs are high in contents which produces psychoactive effects when imbibed in over dose, and some may have damaging effects on the kidney and liver.
Other effects on the body physiology includes headaches, vomiting, nausea, seizures, tremors. etc.
Answer:
I believe the childre could have type AB, A, and B blood
Explanation: