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Autosomal dominance is a pattern of inheritance characteristic of some genetic diseases.
Genetic Disorders
Huntington's disease is an inherited neurological illness causing involuntary movements, severe emotional disturbance and cognitive decline.
… HD. In 1993, scientists finally isolated the HD gene on chromosome 4. The gene codes for production of a protein … Movements, Emotional Disturbance, Cognitive Decline, Chromosome 4, Huntingtin, CAG … Huntington's disease is an …
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A haplotype is a set of DNA variations, or polymorphisms, that tend to be inherited together.
… combination of variants that reside near each other on a chromosome. … A haplotype is a set of DNA variations, or …
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Crossing over is the swapping of genetic material that occurs in the germ line.
Educational Resources
A centimorgan (abbreviated cM) is a unit used to measure genetic linkage.
… to measure genetic linkage. … Linkage Analysis, Genetics, Chromosome, Base Pairs, Thomas Hunt Morgan, Fruit Flies … A … centimorgan is equal to a 1% chance that two markers on a chromosome will become separated from one another due to a …
Genetic Disorders
Sickle cell disease is a group of inherited red blood cells disorders.
… caused by a mutation in the hemoglobin-Beta gene found on chromosome 11. Hemoglobin transports oxygen from the lungs to … Inherited Blood Disorders, Gene Mutation, Hemoglobin-beta, Chromosome 11, Red Blood Cells, Blockages, Anemia … Sickle …
Genetic Disorders
Hemophilia is a bleeding disorder that slows down the blood clotting process.
… when gene mutation that causes it is located on the X chromosome, one of the two sex chromosomes. In males (who have only one X chromosome), one altered copy of the gene in each cell is … carrier has a 1 in 2 (50 percent) chance to pass on her X chromosome with the gene mutation for hemophilia A or B to a …
Genetic Disorders
Duane syndrome is a rare, congenital eye movement disorder.
… of neck vertebrae and hearing loss, Holt-Oram syndrome, abnormalities of the upper limbs and heart, Morning Glory … a gene involved in the development of DS is located on chromosome 2. Also, deletions of chromosomal material from … 4 and 8, as well as the presence of an extra marker chromosome thought to be derived from chromosome 22, have …
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Non-coding DNA corresponds to the portions of an organism’s genome that do not code for amino acids, the building blocks of proteins.
… blocks of proteins. … DNA Sequence, Gene Expression, Chromosome, Non-coding DNA, Junk DNA, Genetic Code … …
Educational Resources
ACGT is an acronym for the four types of bases found in a DNA molecule: adenine (A), cytosine (C), guanine (G), and thymine (T).
… adenine (A), cytosine (C), guanine (G), and thymine (T). … Chromosome, Adenine, Guanine, Thymine, Cytosine, Base Pair, …