Answer:
Damaged cells are replaced
Multiple alleles: three or more alleles for a specific gene
polygenic traits: a trait controlled by a group of nonallelic genes
Answer:
Viruses are acellular.
Explanation:
Viruses do not have cells, so we can say that viruses are acellular organisms, the structural and functional unit of living things. This feature contradicts the Cell Theory, which says that all living things are formed by cells. Therefore, because they do not have cells, many claim that viruses are not living things. Viruses are only able to reproduce within a host cell. For this reason we say that they are obligate intracellular parasites.
Biological molecules or biomolecules are the carbohydrates, proteins, lipids and nucleic acids that are produced by the living organism. A very significant relationship lies between their structure and function as they are inter relatable.
Biomolecules are designed in such a way that on forming a particular structure only their specific functions can be formed. It is to ensure that no molecules other than the desired ones bring a change. If the latter situation arises, it may refer to harm or lethality.
For instance, insulin binds to its receptor and decreases the blood glucose level. Change in its structure will lead in inability to bind to the receptor specifically designed to accomodate it. And if function is not dependent on structure, then any molecule may bind to the receptor and decrease the blood sugar level to the point that body may not be able to function.
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Answer:
The correct answer is "C"
Explanation:
Klinefelter's disorder, XXY guys, can happen because of non-dis-junction of X chromosomes during pro-phase of meiosis I in females.
One of the eggs from such a meiosis could get both X chromosomes, and the other would get no X chromosomes.
On the off chance that these eggs are hence prepared with typical sperm, different sex chromosome aneuploidies could happen:
XXY - clean male who may have some female body qualities, and at times expanded learning obstacles.
XXX - There are no genuine stigmata associated with this disorder. Ladies with triple X as a rule are fruitful.
XO - clean female with short stature, with low mental capacity, inability to experience pubescence (Turner's disorder).
YO - Non-feasible; qualities on X chromosome required for advancement and endurance.
Non-dis-junction during sperm creation can likewise bring about aneuploidy of sex chromosomes.
