name the syndrome
What syndrome is also referred to as trisomy 21?
Down syndrome
What type of abnormality is aneuploidy: structural or numerical
Numerical
Is this a do or don't for supporting a mother who receives a prenatal diagnosis: compare experiences or impose your narrative
don't!!! ever...
what happens with ring chromosomes
A portion of a chromosome breaks off and forms a ring.
how many chromosomes are found in the cell of a human body
46 total, 23 pairs
which syndrome is caused by a missing or partially missing X chromosome
turner syndrome
which type of abnormality causes A piece of one chromosome to break off and attach to another chromosome
translocation
name three physical feature symptoms of down syndrome ( trisomy 21)
Flattened facial features, short neck, upward slanting eyes, and a single crease across the palm
which chromosome is linked to cri-du-chat syndrome
chromosome 5!
what type of cells are gametes
Haploid cells
What is a syndrome that has a trisomy abnormality that is not Down syndrome
Hint: it affects chromosome 18
Edward Syndrome
what type of structural abnormality causes cri-du-chat syndrome
deletion
name two major clinical effects of cystic fibrosis
Chronic lung infections, Pancreatic insufficiency, Digestive problems, increased salt in sweat, Risk of pancreatitis
which chromosome is the CFTR gene located on
chromosome 7
what is a chromosome?
A structure made up of a long, twisted molecule of DNA that carries your genetic information
Which syndrome is characterized by a cry or "meowing" in infancy
Cri-du-chat syndrome
what is it called when Chromosomal disorders are caused by chromosomes not separating properly
nondisjunction
what is the name for the curved pinky finger that woman with trisomy x syndrome sometimes have
clinodactyly
True or False: When a mother has an X-linked recessive genetic defect, and the father dosn't, the possibilties in the children include a carrier son and affected daughter
False
What is a protein that packages and organizes DNA in the nucleus of eukaryotic cells
Histones
which syndrome is a spontaneous genetic error and can also cause average to below-average intelligence (IQ around 85-90), learning disabilities, and speech delays
Hint: it's not Down syndrome
trisomy x syndrome
During cell division, when does nondisjunction take place
Anaphase
what does CFTR help regulate?
salt, water, and pH balance in:Lungs, Pancreas, Intestines, Liver, Sweat glands
What is the question to this answer: the molecule that carries the genetic instructions for the development, functioning, growth, and reproduction of all known organisms.
What is DNA?
What is the name of the protective cap at the two ends of a chromsome that protects the DNA during cell division?
Telomere