Trisomy 21, as illustrated by the karyotype, is caused by nondisjunction. This occurs when chromosomes do not separate properly during meiosis.
Answer is D) nondisjunction
D. Evaluate
Explanation:
The team of ecologists failed to implement the evaluation stage of adaptive management approach as the didn't compare various possible methods that could be used for the managemenr process and evaluation refers to analysis of completed or ongoing activities related to the topic in consideration to determine the management effectiveness and efficiency. Since they forgot to evaluate the various possible methods, evaluation is the missed approach.
Answer:
The position of the Moon and Earth are different.
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Mastication is the process by which food is crushed and ground by teeth. It increases the surface area of foods to allow a more efficient break down by enzymes.
Answer: Minerals
Explanation: The body decomposes and after about 40 to 50 years bones are mostly brittle and dry with no traces of flesh. After thousands of years bones also disintegrate (decay) leaving brittle mineral frame. The life of bones is determined by the soil type its buried in, nuetral soils takes longer then acidic soil condition.
In this case osteocytes(bone cells) are the first to decompose followed by the cartilage and bone marrow, leaving behind mineral traces that scientist can study after thousand years.