Answer:
An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.
Explanation:
pretty sure its D
Answer:
D
Explanation:
Sexual reprduction is when a sperm cell fertilzes an egg cell.
Protein would not be made. Like the above answer, the poor little cell would die.
Answer:
for example down syndrome or trisomy 21 is a common genetic disorder that occurs when a person has 3 copies of chromosome 21 there are many other promotional abnormality is including tunnel syndrome klinefelter syndrome