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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 is the meaning of Schizogony? A form of asexual reproduction found in some protozoans. An already multinucleated cell undergoes cell division which results in each daughte
Q. Flavour of food product? Flavour factors include both sensations perceived by the tongue, which include sweet, salty, sour and bitter tastes and aromas perceived by the tong
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Consider a simple spherical model cell that consists of cytoplasm and a plasma membrane. The cell's initial volume is 2 nL and contains 0.2 M protein. The cell is placed in a la
Define Importance of Nutrition in Human Body? Nutrition is increasingly being recognized as an important determinant, which modulates the biological process of ageing. Poor nut
Think back to the patterns of predator-prey cycling from Sections 2 and 3. Which of the three predator functional responses would you expect to be most likely to give stable popula
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An A=T mispairing leads to an A=C substitution. The other DNA helix will contain a(n) __ pair. a. A=C b. A=T c. G=C d. B=Q e. T=T Can you also explain it please so if I'm ask
A weak acid (HA) has a pKa of 4.691. If a solution of this acid has a pH of 4.920, what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of
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