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the "Father of Genetics"; studied how traits pass from one generation to the next; was an Austrian monk
the form of a trait that appears to mask another form of the same trait; symbolized by a capital letter
the physical traits that show as a result of a particular genotype; traits that are expressed
traits are controlled by alleles on chromosomes, an allele may be dominant or recessive, Law of Segregation
Mendel's contributions to genetics
a condition that exists when both alleles for a trait are expressed producing a new phenotype ; neither are dominant over the other; there is a blend
multiple genes that occur whena group of gene pairs act together to produce a single trait
any permanent change in the genetic material, or DNA, of a cell; some can be harmful and result in genetic disorders such as sickle-cell anemia and cystic fibrosis
sickle-cell anemia and cystic fibrosis
homozygous recessive disorders; homozygous recessive- has the disease; heterozygous- carrier of the disease; caused by recessive alleles
experimental methoods for altering genes in offspring to produce desirable traits or eliminate undesirable traits
made od DNA; located on chromosomes; inherited from an organism's parents (genotype); control the traits that are expressed (phenotype) in an organism; have different forms for a trait called alleles
the disease in which blood does not clot properly and puts the affected person in danger of bleeding to death from even a small srape
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