A chromosome is something found in the nucleus of every living cell. Chromosomes contain DNA, Which is literally a strand of genetic information, that determines who you are, E.G- Eye colour and hair colour are usually genetic. You can't really have an example of a chromosome, because a chromosome is just a general, common chromosome, everyone has them. Also, they usually come in pairs, one from your father, and the other, your mother.
It's the gene that would be heterozygous not the chromosome.
Chromosome Disorder
An example could be mitochondria, because 1. Its not a chromosome and 2. It doesn't carry chromosomes.
Down's Syndrome is an example of a birth defect characterized by an abnormality of the chromosome structure.
translocation
the answer is TRANSLOCATION.
Eye colour or hair colour is an example of a trait that is not a sex chromosome.
cross over
Yes, an embryo can develop with one X chromosome, rather than the XX or XY chromosome pair. An example of this is girls born with Turner's syndrome, who have only one X chromosome.
how artificial chromosome are used as cloning vectors with example?
It's a translocation, specifically a balanced translocation.
No, that would be an example of a translocation.