It is caused by a missing segment in one or two chromosome

(a)  

when fragments of two non-homologous chromosomes interchange positions

(a)  

when a fragment of one chromosome connects itself to the homologous chromosome and repeats

(a)  

when the chromosome contains a segment that has been re-inserted in reverse.

(a)  

A genetic material added from another chromosome.

(a)  

When a child receives two defective disorders from each parent.

(a)  

a person who receives a defective recessive gene.

(a)  

genetic blood disorder. Abnormally shaped red blood cells

(a)  

lack of an important chemical in the brain.

(a)  

rare genetic disorder that can cause serious mental retardation in infants.

(a)  

disease in which some glands produce too much mucus

(a)  

More common in men because they have only one X chromosome

(a)  

Genetic disorders that may have few or more too much chromosomes.

(a)  

Result from the loss of segment in chromosome 7, have large ears

(a)  

A child has extra chromosomes (21) and has distinctive physical appearance.

(a)  

A child has extra chromosomes (18) second most common trisomy.

- Clenched hands - Overlapping fingers

(a)  

A child has an extra chromosome (13), and 90% of babies with this syndrome do not survive in infancy.

(a)  

male who has this syndrome has two or more X-chromosomes in addition to their Y chromosomes.

- lacks facial hair -testes & prostate gland underdeveloped.

(a)  

Characterized with having 45 chromosomes.

-narrow hips -underdeveloped breasts -broad shoulders and neck

(a)  

condition caused by a loss of genetic material from chromosome 11

- Terminal Deletion Disorder

(a)  

- Mutation in somatic cells

- Occurs in non reproductive cells and will not be passed onto offspring.

(a)  

- An alteration of the nucleotide sequence of the DNA that makes up a gene.

(a)  

Introduced the hemophilia allele into a few number of the royal families in Europe.

(a)