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Definition
| genes that are located at the same level or locus in the two chromosomes of a pair and that determine the same functions or characteristics |
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| organic compound containing the amino group NH2; amino acids are the main component of proteins |
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| (adjective, autosomal) nonsex chromosome, which are identical for men and women |
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| condensed chromatin of the inactivated X chromosome, which is found at the periphery of the nucleous of cells in women |
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| in genetics a heterozygous individual who is clincally normal but who can transmit a recessive trait or characteristic; also a person who is homozygous for an autosomal-dominant condition with low penetrance. |
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| constricted portion of the chromosome that divides the short arms from the longs arms |
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| either of the two vertical halves of a chromosome that are joined at the centromere |
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Definition
| general term used to refer to the material (deoxyribonucleic acid [DNA] that forms the chromosomes |
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| vertical sequence of three bases in DNA that codes for an amino acid |
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| blood relationship; in genetics the term is generally used to desribe a mating or marriage between close relatives |
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Term
| deoxyribonucleic acid (DNA) |
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Definition
| a substance composed of a double chain of polynuclotides; both chains coiled around a central axis form a double helix; it is the basic genetic code or template for amino acid formation |
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Definition
| having two sets of chromosomes; the normal constitiution of somatic cells |
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| in genetics, a trait or characterisitc that is manifested when it is carried by only one pair of homologous chromosomes. |
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| degree of clinical manifestation of a triat or characteristic |
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| having more than one inheritance pattern |
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| cell with a single set of chromosomes; a gamete is haploid |
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Definition
| individual with two different genes at the allele loci |
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| individual having identical genes at the allele loci |
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| abnormally diminished secretion of sweat |
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| presence of less than the normal amount of hair |
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Definition
| photomicrographic representation of a person's chromosomal constitiution arranged according to the Denver classification |
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Definition
| position occupied by a gene on a chromosome |
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Definition
two-step cellular division of the original germ cells, which reduces the chromosomes from 4nDNA to 1nDNA
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| cytoplasmic oraganelles that have their own DNA in a circular chromosome |
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Definition
| unique DNA that is maternally inherited |
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Definition
| way in which somatic cells divide so that the two daughter cells receive the same number of identical chromosomes |
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Definition
| permanent change in the arrangement of genetic material |
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| process of formation of female germ cells (ova) |
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| egg; mature feminine germ cell |
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| frequency with which a heritable trait is exhibited by individuals carrying the gene or genes that determine that trait |
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Term
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Definition
| entire physical biochemical and physiologic makeup of an individual; genotype is the genetic compostion, and phenotype is the observable appearance |
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Definition
| trait or characteristic that shows clinically when a double gene dose (homogous) exists in autosomic chromosomes or a single gene does exists in males if the trait is X linked |
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Definition
| single strands of polynucleotides found in all cells; differnt types of RNA have different functions in the production of proteins by the cell |
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Definition
| cytoplasmic organelles in which proteins are formed on the asis of the genetic code provided by RNA |
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Definition
| process of formation of spermatozoa |
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| set of signs or symptoms (or both) occuring together |
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Definition
| portion of a chromosome attached to another chromosome |
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Definition
| pair of chromosomes with an identical extra chromosome |
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| phase of cellular division in which he chromoomes are lined up evenly along the equatorial plane of the cell in which they are most visible |
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