Answer:
Down syndrome
Explanation:
Down syndrome is a genetic disorder that occurs when an abnormal cell division results in an extra copy of chromosome 21. <em>Some symptoms of this syndrome are distinct facial features (small ears, small head, flat face, etc.), short height and even heat defects.</em>
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Answer:
C
Explanation:
Height in humans is influenced by numerous loci and has a relatively smooth distribution. It is thus a quantitative or continuous trait.
A quantitative trait locus (QTL) is a DNA territory correlated with a specific phenotypic trait that differs in extent and can be linked to polygenic effects, i.e. the product of two or more genes, and their habitat.
Answer:
The statement 2 best describes the next process taking place within the cell.
Explanation:
A kind of cell division, which is characterized by the differentiation of a single parent cell into two daughter cells that comprise equivalent chromosomes number is termed as mitosis or reductional division. In the given case, the arrangement of chromosomes at the equatorial plate indicates that the cell is currently in the metaphase stage of mitosis.
After going through the stage of metaphase, the cell moves into the anaphase stage. In the anaphase stage, the sister chromatids begin to segregate and move towards the opposite pole of the cell. Thus, statement 2 correctly illustrates the next stage of the cell.
