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Q. What is the crossing over? And In which period of meiosis does this event occur?
Crossing over is the eventual exchange of chromosomal fragments among homologous chromosomes. The phenomenon takes place in prophase I when homologous chromosomes are paired. Crossing over is of great importance for biodiversity and evolution since it provides recombination of alleles of different genes linked in the same chromosome during cell division by meiosis.
Define Affluence and abundant availability of food as factor for obesity? With increasing affluence, increase in purchasing power and abundance of food, people tend to eat more
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What is Defense mechanism Defense mechanism relate to the body's ways to protect itself from any infection or a disease
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Disease Control and Prevention reports: Body Mass Index is a reliable indicator of body fat for most children and teens. BMI is calculated from a child's weight and height is
Monosaccharides :- Sugars consisting of a single polyhydroxy aldehyde or ketone unit.
how to explain an example from each class of vertebrate
Vibrio parahaemolyticus gastroenteritis While most other known food poisoning syndromes may be contracted from a variety of foods, V. parahaemolyticus gastroenteritis is contr
egg of frog
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