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MedCon 19
The following activity is for the "key terms" in chapter 19 of your textbook.
Question | Answer |
---|---|
Alleles | matches pairs of genes; the term used to refer to the product when the chromosomes (one from each parent) pair up during fertilization of the egg; the genes on the chromosomes align |
Atresia | the congenital absence or closure of a normal opening or lumen in the body; it may occur in a variety of areas |
Auscultation | using the stethoscope to listen to body cavities and organs |
Autosomes | a chromosome other than a sex chromosome; they determine bodily function |
Buccal smear | a test for evaluating chromosomes; this test is performed by obtaining squamous epithelial cells from the buccal cavity, staining the cell and microscopically observing for X chromosomes called Barr bodies |
Congenital anomaly | a birth defect |
Dominant | in control |
Epicanthus | a vertical fold of skin across the medial canthus of the eye giving the eyes an Asian appearance |
Gene | the unit of chromosome that carries DNA information |
Genotypes | the genetic pattern of the individual |
Germ cells | sex cells |
Heterozygous | having different paired genes |
Homozygous | having identical genes |
Karyotyping | a method of identifying chromosomes; this process involves taking a picture of a cell during mitosis, arranging the chromosomes pairs in order from largest to smallest and numbering them from 1 to 23 |
Meiosis | the process of reproduction of germ cells in which they divide before duplication |
Microcephaly | having an abnormally small head; usually associated with mental retardation |
Mitosis | the process of reproduction of cells in which the 46 chromosomes duplicate and divide into two identical daughter cells each containing 46 chromosomes |
Murmurs | abnormal sounds in the heart or vascular system |
Phenotype | the physical expression of a genetic trait such as eye, hair or skin colour |
Pyloromyotomy | a surgical procedure that involves incising and suturing the pyloric sphincter muscle |
Recessive | lacking control; weak |
Somatic | related to the body |
Stricture | a narrowing |
Viscous | thick |