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Why is not Mendel's second law always valid for two or more phenotypical traits of an individual?
Mendel's second law, or the law of the independent assortment, is valid for genes located in dissimilar chromosomes. These genes during meiosis segregate independently.
Mendel's second law though is not valid for phenotypical features conditioned by genes located in the similar chromosome (genes under linkage), since these genes, called as linked genes, do not separate in meiosis (except for the phenomenon of crossing over).
Image Diversity: genetic linkage
Auxins - Apical Dominance The role of auxins in controlling the apical dominance was shown by the experiments done by Skoog and Thimann with the broad bean plant. They removed
Adverse effects of Abacavir In 3-9% of patients, a severe hypersensitivity reaction, usually with fever and sometimes with respiratory or gastrointestinal symptoms, malaise an
Both these neurotransmitter strengthen memory when they are released into the blood stream following learning. Stressful events stimulate release of stress hormones from the adrena
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The common nitrogen-fixer in paddy fields is: 1. Rhizobium 2. Azospirillum 3. Oscillatoria 4. Frankia Azospirillum is the common nitrogen-fixer in paddy fields
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Quantitative changes The quantitative changes in the availability of the active biomolecules occur in order to compensate for the loss of efficiency of the system caused by th
For Dalmation dog, the spotted condition is dominant to non-spotted. a) Using a Punnet square, show a cross between two heterozygous parents. b) A spotted female Dalmation dog is m
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