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Harmful mutations may cause genetic disorders or cancer. A genetic disorder is a disease caused by a mutation in one or a few genes. A human example is cystic fibrosis. A mutation in a single gene causes the body to produce thick, sticky mucus that clogs the lungs and blocks ducts in digestive organs.
A child with fetal alcohol syndrome caused by excessive consumption of alcohol by the mother is not an example of the inheritance of an acquired trait because the mother's <u>alcoholism affects the development of the fetus rather than its genes</u>.
Phenotype refers to a man or woman's observable developments, inclusive of height, eye coloration, and blood kind. Someone's phenotype is decided by using each their genomic make-up (genotype) and environmental elements.
A gene is the primary physical and functional unit of heredity. Genes are made of DNA. Some genes act as instructions to make molecules referred to as proteins. However, many genes no longer code for proteins. In people, genes range in length from some hundred DNA bases to extra than 2 million bases.
Dominant refers to the relationship between two versions of a gene. individuals receive two versions of each gene, called alleles, from every determine. If the alleles of a gene are distinctive, one allele will be expressed; it is the dominant gene. The effect of the other allele, referred to as recessive, is masked.
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Its protected by many laws that have been passed and programs put in place by the government to conserve and restore the natural wonders of the Grand Canyon in order to leave them unimpaired for the enjoyment of future generations.
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Erwin Rommel commanded troops across the Mediterranean to take control of Libya.
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