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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.
Define about the Ascorbic acid (vitamin C)? Ascorbic acid was discovered as the anti-scurvy vitamin. Vitamin C (chemical names ascorbic acid and ascorbate) is the six-carbon la
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example of outline f coelenterata
Infectious bovine rhinotracheitis (IBR) The disease is caused by a Bovine Herpesvirus -I belonging to the family Herpesviridae and subfamily Alphaherpesvirinae. It is a DNA vir
What are the types of cell respiration? There are two types of cell respiration: aerobic cell respiration, a reaction with participation of molecular oxygen (O2), and anaerobic
Q. What do ypu know about Conduction Disturabances? During exercise there is an increase in the sympathetic drive and a withdrawal of vagal tone. Sympathetic enhancement of con
What would be the likely immune response ability of an individual with a deletion of a Class II gene of the MHC on one chromosome and a nonsense mutation at the beginning of the sa
What is the relationship between the following scientific terms: hypothesis, a theory, and a natural law?
what''s the define of mitochodria
THE RAPEUTIC NURSE: Development of therapeutic nurse patient relationship is the basic requirement of nursing. A helping relationship in nursing may be explained as an in
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