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
Necessary because it keeps heat in and keeps the planet at the right temperature for life.
It can harm the planet if more pollution occurs and the greenhouse gas effect traps too much heat and causes global warming
Because they have not been distrubed
The answer is squamous cell carcinoma. This is a type of
cancer where in one cause of this for it to occur is due to exposure of the sun
light. They have different types and two categories that fall in such as
melanomas and non melanoma.
DNA was found to contain only four different chemical building blocks.
