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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.
What do you mean by Advanced characters The traits, or characteristics, that an animal has that are not ancestral to the taxon. They appear later in the evolutionary history of
How CPHs produce fermions? Answer- For understanding how CPHs is can produce fermions, do consider to electromagnetic, when the wavelength is growing. It's a CPH So CPH is a ti
One way that the cortex has been parcellated is based on fine-grained anatomical differences in the composition of the cortical layers: their thickness and types of neurons that ar
Xerarch - Kinds of Succession When the succession takes place in drier area, i.e., the succession progresses from xeric to mesic conditions. It is further subdivided as:
Q. How to calculate Hydrogen Ion Concentration? Ans. The hydrogen ion concentration has a significant role to play in growth of bacteria as every microorganism has a minim
What is the proper name for EDTA and what is it? EDTA is ethylenediamine tetraacetic acid. It is a tough chelating agent. It has many uses containing: 1) Industrial cleaning
Biological Responses Controlled by Phytochrome Phytochrome responses are those which are controlled reversibly by red and far-red light. These can be broadly categorised as:
Q. Explain Spoilage of Fruits and Vegetables? Ans. Fruits and vegetables are an integral part of daily diets of man all over the world. The spoilage of fruits and vegetabl
Problem 1: "Structural Genomics aims at determination of the 3D structure of all proteins". Describe with techniques Show genomic techniques for determination of 3D struc
Q What do you mean by biology?
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