WorksheetsCell division
Total questions: 16
Worksheet time: 11mins
What happen during replication in the S phase of the cell cycle?
The number of chromatids doubled.
The number of chromosomes doubled.
The number of homologous chromosomes doubled.
The amount of energy in mitochondria doubled.
Which of the following sentences about meiosis are correct?
I. Meiosis halves the amount of DNA.
II. Meiosis enables sexual reproduction.
III. Meiosis results in the genetic diversity of offspring.
IV. The first meiotic division in eukaryotes is similar to mitosis.
V. Meiosis in higher eukaryotes occurs in somatic cells and gametes.
I, II and IV
I, II and III
II, III and V
II, III and IV
the function of mitosis in the life cycle of an organism include the following except.
replacement of old cells.
repair of injured tissues
production of gamete
asexual reproduction
meoisis results in the production of
2 haploid cells
2 diploid cells
4 haploid cells
4 diploid cells
daughter cells produced asexually are
identical to each other
identical to parent cell
different from each other
identical to each other and parent cell
Normal cellular activities, such as protein synthesis, occur primarily during ....
prophase
metaphase
anaphase
interphase
the point at which crossing over has taken place between homologous chromosome is called...
centriole
chiasma
centromere
metaphase plate
as mitosis begins, a condensed chromosome consists of two...
centromeres
centrioles
chromatins
chromatids
Which is TRUE about meiosis?
It is carried out in all tissues theat require cell replacement
It occurs only in cells in the reproductive structures of an organism
It happens in all of the tissues except the brain and spinal cord
It is the first stage of mitosis
