AP BIOLOGY

LABORATORY REVIEW

MITOSIS AND MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
occurs only in reproductive cells
A
mitosis
B
meiosis
Explanation: 

Detailed explanation-1: -Meiosis I is a unique cell division that occurs only in germ cells; meiosis II is similar to a mitotic division. Before germ cells enter meiosis, they are generally diploid, meaning that they have two homologous copies of each chromosome.

Detailed explanation-2: -Only sexually reproductive organisms utilize meiosis. The role of the process is to produce sex cells and to repair genetic defects in germ line cells (the sex cells). Both sexual and asexual organisms go through the process of mitosis.

Detailed explanation-3: -Meiosis occurs in the primordial germ cells, cells specified for sexual reproduction and separate from the body’s normal somatic cells. In preparation for meiosis, a germ cell goes through interphase, during which the entire cell (including the genetic material contained in the nucleus) undergoes replication.

Detailed explanation-4: -So, the correct answer is ‘Pairing of homologous chromosomes.

Detailed explanation-5: -In the Body Because mitosis takes place throughout your lifetime and in multiple organs, it occurs more often than meiosis, which is limited to the reproductive organs during gamete formation.

There is 1 question to complete.