How many somatic cells are produced in mitosis?Cell Division:Mitosis is the process of somatic cells dividing. Cells must divide to replace old, dying cells, and for the organism to grow. Mitosis is a highly regulated process to ensure exact copying of the DNA....
If a human gamete that is missing a chromosome participates in fertilization with a normal human gamete, what will be the result? How many chromosomes will the zygote have? If a male animal has 12 chromosomes in each of its liver cells, how many different types of sperm cells can he prod...
How many chromosomes are there in fruit fly? These body (somatic) cells undergo mitosis. Fruit fly somatic cells haveeight chromosomes. How many alleles does a fruit fly have? In fruit flies, the gene for body color hastwo different alleles: the black allele and the brown allele. Are fruit...
Topoisomerase activity is indispensible to cells, but requires the transient breakage of DNA strands. This property has been exploited, often for significant clinical benefit, by various exogenous agents that interfere with cell proliferation. Despite decades of study, surprising findings involving ...
With the intensification of the greenhouse effect, a series of natural phenomena, such as global warming, are gradually recognized; when the ambient temperature increases to the extent that it causes heat stress in plants, agricultural production will in
DNA repair can occur at several stages of the cell cycle but cells are mostly arrested in the G1/S and G2/M phases. If damage occurs due to replication errors, an arrest can also occur in the S-phase or later in mitosis. FIGURE 2. DNA repair mechanisms at the molecular level. I....
Chromosomes are responsible for carrying our genes and essentially protecting the information that helps ensure normal, healthy growth, with vital instructions being passed on from cell to cell by a process known as mitosis. While this copying mechanism
the cells grow even larger before undergoing mitosis, during which cells enclose the two replicated DNA strands with distinct nuclear membranes. Finally, two discrete cellular membranes and organelles develop around the two nuclei. To track the progression of the cell cycle, r...
How many diploid cells do humans have? Which human cells never have 23 pairs of chromosomes? How many chromosomes are involved in synapsis? How many chromosomes are present after cytokinesis? How many chromosomes are there in the metaphase of mitosis?
How does crossing over introduce variability in the daughter cells? Where does mitosis occur in the skin? The gene for cystic fibrosis is located on chromosome 7. If we remove the second polar body from a recently fertilized oocyte, how many copies ...