A. oxygen atom
H2 O1
There are 2 hydrogen atoms and 1 oxygen atom
There is a 50/50 chance of there being a male or female. The mother puts off the X chromosome, while the father is the factor that can make the gender. The X chromosome is female, while the Y chromosome is the male. The father can either put off the X or Y.
the meaning is that the cell is filled by choroplast.
Answer:
the cycle would stop because the plants can't take in atmospheric nitrogen
Answer:
A
Explanation:
These are small consecutive repetitive sections of the DNA – mostly between 5 – 50 times repetitions. They are not part of coding regions (genes) and therefore are prone to non-lethal mutations of DNA. They are therefore very variable between individuals and can be used for DNA forensic identification.