in references at least use one schoolarly paper reveiw Questionnaire: 1-What a

in references at least use one schoolarly paper reveiw
Questionnaire:
1-What are Genes?
2-Describe what a chromosome is and how are present normally in human beings?
3-Concepts for: Euploid cells, Diploid Cells, Aneuploid Cells? What is a Polyploidy?
4-What is a Trisomy and an example of it?
5-What means Homozygous and heterozygous in Mendelian Heritance?
6-Which are special features of X Linked genetic diseases?
7-What is a risk factor?
Also, what is a congenital disease?
Epigenetics and Mental Health.
10-DNA Methylation: why is important?
(Ungraded question)