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Gelneren [198K]
3 years ago
12

10. Research and find a disease that is caused by chromosomal mutations. When does the mutation occur? What chromosomes are affe

cted? What are the consequences?
Biology
1 answer:
krok68 [10]3 years ago
3 0

Down Syndrome is caused by a chromosomal - the trisomy of chromosome 21. The non-disjunction of the homologous chromosomes during meiosis causes some of the daughter cell to have two sets of chromosome  21. During fertilization, the resulting zygote, therefore, will have three chromosomes 21. The symptoms of this genetic disorder are; intellectual disability and stunted growth.

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4 years ago
Which statement is TRUE of an archaeological survey?
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Answer:

The correct option is A.

A. Small test pits can be conducted in an undisturbed part of the surveyed area to find buried artifacts that may not be readily seen on the surface.

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This is because archeological survey refers to the study , exploration and digging of sites to obtain archeological remains. The basic sim of this is to get remains that are not visible to man underneath.

usually , the sites are dug out by a shovel so as to determine whether the soil contains any archeological emains that cannot be seen on the surface. This involves the action of excavating the out something or remains especially an archaeological site.

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