Answer:
2n to n, n to 2n
Explanation:
Meiosis is known as reductional division because in meiosis the chromosome number gets reduced to half in daughter cells so when sperm and egg cells undergo meiosis than the chromosome numbers get reduced from 2n to n. In humans, the chromosome number is 46 and it gets reduced to 23 after meiosis.
When egg is fertilized by the sperm than the two chromosomes comes in the same cell and the number goes from n to 2n that mean in human it goes from 23 to 46.
Root growth from the seed growing downwards to provide more sub roots then they grow into a hair like substance it remains attached as the stem is growing up and then it breaks the soil and develops leaves.
Answer:
I think in my opinion it's the Congruent Evolution
No. Not really. Genetic testing is based on things people do. And not what they are said to be.
Vaccine is preventing the infection.
Antiviral is a medicine taken after infection