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Describe Genetic Recombination ?
Genetic recombination, which provides the variation necessary for evolution, can occur through a variety of processes during cell reproduction: deletion, or accidental loss of chromosome sections; duplications, where portions of homologous chromosomes become attached to a homologue, resulting in duplicated genes; crossovers, exchange of segments of homologous chromosomes that occurs during prophase I of meiosis; inversions, segments that are in reverse order with respect to the rest of the chromosome; and translocations, in which a piece of a chromosome may become attached to another chromosome.
ENDOPLASMIC RETICULUM It is also known as Endoskeleton of the cell, Endomembranous system of the cell. Garnier (1897) first observed them and called Ergastoplasm. E.R.
Q. Mistakes may happen during each copying process. The same is true for the DNA replication. Are there correction systems in cells that try to mend those mistakes? Under which sit
Q. How chloroplasts multiply? Like mitochondria chloroplasts have their own the DNA, ribosomes and RNA and they self-replicate through binary division.
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To test the gas given off when seeds germinate Place some mustard seeds in a flask with some damp cotton wool, in the apparatus shown in the diagram, and permit them to germina
What is Chromosome Mapping in phenotypic trait? Chromosome Mapping : By noting how often a gene segment associated with a specific phenotypic trait crossed over during meios
A glycosidic bond would be present in: Select one: a. acetone. b. methyl-alpha-D-glucose. c. 2-deoxy-beta-D-ribose. d. glucose-6-phosphate. e. fructose-1, 6-bisphosp
describe the factors which decide the broad area of scientific activity?
In a follow up to Alfred Sturtevant's studies on recombination in the fruit fly, Seymour Benzer used complementation studies of bacteriophage mutants to verify where recombination
What is the difference between asexual and sexual reproduction
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