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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.
About 90% of ozone of atmosphere resides in stratosphere (16 to 40 km) layer of atmosphere as ozone layer. It protects life on this planet from harmful U.V. radiations. In absence
Q. Illustrate Temporal digital subtraction radiography? Temporal digital subtraction radiography (SR) is a radiographic technique that enable two radiographs made at different
what is the phylum protozoa and when he was discover
ELIZA stands for enzyme linked immune diffusion assays. It works on standard of antigen antibody reaction.
Before stem cuttings are planted, the cut end of the stem is often dipped in a hormone powder. What is the point of this? The hormone powder having a plant growth substanc
Explain the Oligosaccharides (DP: 3-9) - carbohydrates? Oligosaccharides consists of short chains of monosaccharide units joined by covalent bonds. The glycosidic bond may be α
Q. Explain about Maple Syrup Urine Disease? Maple Syrup Urine Disease (MSUD) is a group of inherited metabolic disorders of three branched chain amino acids (BCAA) namely leuci
Rumen protection of nutrient (bypass nutrients) technology The amino acid and energy requirements of medium and high yielding cows and buffaloes are not fully met from the micr
The cardiovascular system controls the movement of blood through thousands of miles of capillaries so that every tissue in every part of the body is perfused. Essential nutrients
Is memory loss an early sign of Alzheimer's disease? A. Memory loss is one of the earliest symptoms of Alzheimer's disease and other kinds of dementia however occasional forget
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