Answer: Option A is correct.
Cells that go through meiosis have half as many chromosomes as cell that go through mitosis. Meiosis is that's why called REDUCTION DIVISION.
Explanation:
In meiosis, the number of chromosomes becomes half or reduced than the normal while, in mitosis the number of chromosomes remains the same.
"A section of DNA that usually contains the code for a specific protein that determines a specific trait is a gene, while an allele is a section of a gene" is the statement that <span>best describes the difference between a gene and an allele. The correct option among all the options given in the question is option "A".</span>
A person shall consume at least 750
mg of sodium ion daily to remain in electrolyte balance if he/she loses 750 mg/day
of sodium in urine, sweat and feces. Electrolyte is a substance that
can carry electrical current across cell membranes.
Answer: below
Explanation: Genetic engineers are highly trained experts who use a variety of molecular tools and technologies to rearrange fragments of DNA. It’s the direct manipulation of an organism's genes using biotechnology.
Answer:
d.They are still very common ,but threatened with increasing harvesting for timber.
Explanation:
Brazil's Araucaria trees:
These trees are very soft and can be cut so easily.Brazilian pines is also know as Araucaria tree.
Before 1950's or 60's the number of trees were more but now due to harvesting the number of trees become less.The these trees are used for timber and for glue also.
In the present time the availability of these trees threatened with increasing harvesting for timber.
So the our option d is correct.