A negative correlation is most clearly seen between different levels of female education and the total fertility rate (TFR) in a population. TFR is the number of children a woman can expect to have over her lifetime given current rates of age-specific fertility.
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Soil Rocks??????????????
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The karyotype of a child born with Down syndrome includes a trisomy in chromosome number 21. The rest of the karyotype remains normal.
<h3>What is a karyotype?</h3>
A karyotype is a representation to indicate the chromosomes of a somatic cell in an individual.
In humans, somatic cells are diploids, thereby karyotypes will be formed by two sets of homo-logous chromosomes.
Down syndrome is caused by the presence of an additional chromosome number 21, and therefore the karyotype will exhibit three (trisomy) 21 chromosomes.
Learn more about karyotypes here:
brainly.com/question/1327739
point B this is a topographic map the lines indicate the elevation of the area and B is at the lowest elevation which would be where the water would gather
Answer;
B. the cell was unable to maintain a stable internal environment.
Explanation;
-A sodium ion imbalance could cause water to rush across the cell plasma membrane in either direction. Too little water makes the cell shrivel up; too much water makes it burst. The balance between water and electrolytes, such as sodium ions, controls cell integrity.
-Electrolytes are molecules that influence cell fluid regulation. Sodium is the most abundant electrolyte. Too much sodium in the surrounding fluid - or too little in the cells - sucks too much water out of the cells.
-Too little sodium in the surrounding fluid - or too much within the cells -causes cells to swell as their higher sodium concentration draws too much water in, which eventually causes cell and organelle membranes to burst.
