The series of events that take place in a cell<span> leading to its division and duplication (replication) that produces two daughter cells. </span>
Answer:
D
Explanation:
A plant needs to use the energy from the sun to make glucose and other nutrients it needs. Air is needed for glycolysis and photosynthesis to occur. Water is needed by all living things to stay alive.
The correct answer for the question that is being presented above is this one: "B. extra chromosome 21." Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Down syndrome is a genetic disorder that is also called trisomy 21. Trisomy 21 look like in a karyotype with <span>extra chromosome 21</span>
