What are the common features in individuals with chromosomal

What are the common features in individuals with chromosomal abnormalities?

What is a potential outcome for the offspring of an individual who has a structurally balanced inversion? Why?

Explain in detail the three ways Down syndrome can arise. Demonstrate your full understanding to me and explain which is most frequent.

What medical conditions are associated with Down syndrome?

What accounts for why aneuploidies are more likely to be tolerated for sex chromosomes than for autosomes? Explain.

Solution

Answer :-The common features on individual with chromosomal abnormalities are as follow ;

Mental retardation, stunted growth, defects in vision, hearing speaking, physical impairment etc

Structurally balanced inversion does not affect an individual since all genes are present but in reverse order.

Downs syndrome can arise due to non disjunction during cell division where one pair of chromosome moves into one cell and one chromosome of other parent resulting trisomy 21.Most of the cases the extra chromosome comes from egg.