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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.
Q. What are the modes of transmission, main signs and symptoms and treatments of hepatitis B? The Hepatitis B is a disease caused by a DNA virus. The transmission is by blood (
Please answer the following question on Sequence Y: Protein databases 1. What sequence from which organism is this sequence most similar to? 2. Can you find any homo
What in Genetics is hybridization? Hybridization in Genetics is the crossing of individuals from "pure" and dissimilar lineages in relation to a given trait, i.e., the crossing
Gluconeogenesis that is also called as GNG is a metabolic pathway which results in the generation of glucose from non-carbohydrate carbon substrates such as pyruvate, glycerol, lac
Benefits of energy pyramids
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Q. How execute the two complementary nucleotide chains of the DNA facilitate the replication process of the molecule? The fact that DNA molecule is made of two polynucleotide c
charactoristics of offset
Blotting is the technique for detecting one RNA within the mixture of RNAs (a Northern blot) or one type of the DNA within of a mixture of DNAs (a Southern blot). A blot can prove
The Upper Border of the Heart A: Mark a point on the lower border of the left second costal cartilage 1.2 cm away from the sternal margin. B: Mark a point on the upper bord
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