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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.
How do you determine if a molecule is polar or non-polar? A polar molecule is a molecule that has a net dipole moment because of its having unsymmetrical polar bonds
Characteristics Protozoa and examples
two main evolutionary novelties presented by annelids
what is meant by plasmodesmatsa
Full - thickness flap with a c-shaped excisional incision In case where there is adequate soft tissue, both in terms of papillary height and labial bulk, the excision of the ep
The field of dietetics can be related to: Nutrition care and intervention focused on the individual, and Nutrition care and intervention focused on the group.
Therapeutic diets - Qualitative methods Qualitative methods: This is where you give the individual choices, clear guidelines, menu guidance and supporting information su
Stages of Wilm's tumour We shall now discuss about the various stages of Wilm's tumour. The extent of disease is staged according to the findings of surgery and the presen
Q. How different are gymnosperms from pteridophytes and bryophytes? Gymnosperms are not cryptogamic as pteridophytes and bryophytes are. They are phanerogamic and so they form
Any significant variation in the internal temperature could have damaging effects on the body's enzymes. Homeotherms or warm-blooded animals including human can however generate co
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