Option A, When cells undergo meiosis, the cells of sexual reproduction are divided into two parts, the first is the meiotic division that is reductional division, and the second is an equational division because they have the same number of chromosomes of the stem cell And in this situation, there is no duplication of DNA.
Answer:
C. Allele frequency does not change
the Hardy-Weinberg equilibrium occurs when allele frquencies stay the same across many generations. For example, there are no more mutations taking place.
Answer:
Work can be defined as transfer of energy. In physics we say that work is done on an object when you transfer energy to that object. If one object transfers (gives) energy to a second object, then the first object does work on the second object.
Explanation:
Chem was fun last year XD
Anyway..
To find how many neutrons are in element x:
We take the mass number and subtract it with the atomic number
So, 75-22=53 neutrons...BOOM! :D
