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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.
Pyruvate carboxylation Pyruvate carboxylation : In this reaction, pyruvate, CO, and ATP are converted to oxaloacetate, ADP and Pi catalysed by the enzymepyruvate carboxylase
What is the main difference between a bird heart and a mammalian heart? The bird heart has a one aortic arch on the right side of its body while the mammalian heart has one on
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using either nested brackets as a cladogram, what are the hierarchical relationships among the followingtaxa:raniates, amniotes, mammals, actinopterygians, chondrichthyes, aves, ve
Based on your reading of the article "Origin of Life on Earth" which of the following is a false statement regarding how life developed? A. As proteins are needed for the repli
Explain about Stacking faults Stacking faults happen in a number of crystal structures, but the common example is in close-packed structures. Face-centered cubic (fcc) struct
- Highlight the issues related to diabetes mellitus. - Apply different types of counselling skills to counsel patient with Diabetes and their family members - Develop pre-req
Determine the purposes of vital signs The vital signs reflect the functioning of vital organs of the body i.e. heart, brain and lungs. They indicate the basic functions of body
describe the features of the rabbit femur bone
Radiant Warmer A radiant warmer is a device used to maintain the body temperature of the newborn and thus play an essential role in influencing oxygen consumption, apnea and
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