Controls the thumb and index finger
Answer:
Pluto
Explanation:
Pluto because some people consider it a planet, but some consider it a dwarf planet because it has not cleared the neighborhood around its orbit.
Answer: B: take a family history and suggest genetic testing
Explanation:
I took it and got it right
Answer:
The correct answer would be non-disjunction.
Down syndrome refers to the genetic disease caused by the non-disjunction of chromosome number 21.
Non-disjunction refers to the event in which the homologous chromosomes or sister chromatids fail to separate properly during a cell division.
In Down syndrome, the sister chromatids of chromosome 21 fail to separate properly which results in the formation of a gamete with 2 copies of chromosome 21.
When this gamete fertilizes with another gamete, it results in the formation of a zygote with 47 chromosomes, that is, 46 chromosomes + extra copy of chromosome 21.
Answer:
False is the correct answer
Explanation:
