Probably 3 %. a mother could give birth to a child with Trisomy 21 at any age because Trisomy 21 is a mutation and mutations happen all the time. Not all mutations are as Down Syndrome. A child born to two homozygous brown eyed parents could be born with blue eyes even if no one in the family had blue eyes. The child would develop blue eyes due to mutation.
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Your answer would be $4 times $y.
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True
Amino acids are the basic building blocks of the body. They are also sources of energy, like fats and carbohydrates. However, amino acids<span> are structurally characterised by the fact that they contain nitrogen (N), whereas fats and carbohydrates do not.
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The importance of amino acids as the precursors of enzymes and neurotransmitters<span> is often underestimated. As such, amino acids regulate almost all of the metabolic processes in the human body, and they are essential for a healthy body.</span>
<span>The appropriate response is a cork. The cell was first found and named by Robert Hooke in 1665. He commented that it looked peculiarly like cells or little rooms which friars occupied, in this way determining the name. However what Hooke really observed was the dead cell dividers of plant cells (cork) as it showed up under the magnifying lens.</span>
