Amniocentesis detects abnormality in chromosomes, genetic disorders, and neural tube defects. Trisomy 21 (Down syndrome) is the most common chromosome abnormality.
Answer:The sliding filament model of muscle contraction, put forward by Hugh Huxley and Jean Hanson in 1954, is 60 years old in 2014. Formulation of the model and subsequent proof was driven by the pioneering work of Hugh Huxley (1924–2013).
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Yes, DNA is present in all living and once living cells.
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Answer:Antibiotic resistance
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Taking antibiotics too often or for the wrong reasons can change bacteria so much that antibiotics don't work against them. This is called bacterial resistance or antibiotic resistance. Some bacteria are now resistant to even the most powerful antibiotics available. Antibiotic resistance is a growing problem. HOPE IT HELPS ^w^
