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THEORIES TO EXPLAIN FINE STRUCTURE OF CHROMOSOME
(1) Multistranded theory
Steffenson 1959 - each chromosome composed of two chromatids (Half Chromosome) and each chromatid composed of 16 DNA molecules.
(2) Folded fibril theory
Du Praw 1965 - Chromosome consist of single DNA variously folded to form two Chromatids.
(3) Unineme theory
Hans Ris (1967) - Each Chromosome consists of two chromatids and each chromatid have one DNA molecule.
This theory is most acceptable as it is supported by meiosis and crossing over studies.
how they are joints to each other
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phylum and chordata ex. and their classiication
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Define Corneal Scar - Micronutrient Deficiencies? The corneal ulcer, on healing, leaves a white scar, which may vary in size depending upon the size of the ulcer. When the scar
Until the Krebs cycle, aerobic respiration can be explained without mentioning oxygen, the chemical element after which the reaction gets its name. Where in the process does this c
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Medial pterygoid Muscle bounds the pterygomandibular space medially which is entered when an inferior alveolar nerve block is administered. Infection of this space is dangerous
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