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Explain Crossing Over in genetics?
Crossing over is when the arms of homologous chromosomes exchange segments (and therefore genes) with each other. Recall that one of the homologues originally came from the father's sperm and the other came from the mother's egg.
During Prophase I of Meiosis the homologous chromosomes pair up to form a tetrad. The arms of the chromatids overlap, and can sometimes swap portions. This exchange results in a genetic recombination of the parental genes, providing for genetic variation, the raw material for evolution.
The straight line represents the domains of polar/charged amino acids and the boxes represent domains of non-polar amino acids. One specific domain is labeled X.In a vinegar and wa
why manures are better than fertilizers
Like DNA RNA is a long polymer having of nucleotides joined by 3'5' phosphodiester bonds. Furthermore, there are some differences: ? The bases in RNA are adenine abbr
What role would a cell coat play if it was a part of a city?
In systematic four types of relationships are studied and they are: a) Relationships of phylogeny (evolutionary descent) or the degree to which two organisms are thought to be r
On average what is the life duration of the red blood cells? Where are they destroyed? What is the destination of the heme groups after the destruction of hemoglobin molecules?
Carrier ions like Na+ facilitate the absorption of substances like: 1. amino acids and glucose 2. glucose and fatty acids 3. fatty acids and glycerol 4. fructose and so
Explain in detail about soil micromorphology A good examination with optical aid reveals more detailed features which are helpful in understanding pedogenesis. This is known as
In During translation, the series of an mRNA molecule is examined from its 5' end by ribosomes that then synthesize an appropriate polypeptide. Together in prokaryotes and in eukar
ENZYMES OF E.R. Numerous enzymes have been found associated with its membranes, Glucose-6-phosphatase is the marker enzyme of E.R. The chief being those required for the synt
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