how many chromosomes do humans have

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The loudness of sound depends upon both intensity and frequency. For a given frequency, an increase in intensity produces an increase in loudness, but the sensitivity of the ear is so different in the various frequency ranges that equal intensities produce far different sensations in the different..

Human Diseases..

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The loudness of sound depends upon both intensity and frequency. For a given frequency, an increase in intensity produces an increase in loudness, but the sensitivity of the ear is so different in the various frequency ranges that equal intensities produce far different sensations in the diff..

Chromosome Theory of Inheritance - In the year 1902, Boveri and Sutton proposed the idea of chromosome theory of inheritance which was subsequently confirmed by Morgan in the year 1933. According to this theory, the Mendelian factors which are now called as genes, are located on..

Chromosomal Basis of Inheritance - Heredity depends upon the protoplasmic continuity between the parent and the offspring. It is the gametes that establish the continuity between parent and offspring and hence, the mechanism of inheritance operates across this exceedingly slender protopla..

In the year 1902, Boveri and Sutton proposed the idea of chromosome theory of inheritance which was subsequently confirmed by Morgan in the year 1933. According to this theory, the Mendelian factors which are now called as genes, are located on the chromosomes and it is th..

Morgan, along with Castle formulated the chromosome theory of linkage. It has the following postulates; 1. Genes are found arranged in a linear manner in the chromosomes. 2. Genes which exhibit linkage are located on the same chromosome. 3. Genes generally tend to stay..

These are giant chromosomes found in the salivary gland cells of the fruitfly Drosophila. They are many times larger than the normal chromosomes reaching a length of 2000 and are visible even under a compound microscope. The polytene chromosomes appear to contain fi..