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True
The individual with two of the same allele is "homozygous" for a trait.
Gene TherapyGenetic disorders are caused by an abnormality in person's DNA.
Hemizygous - has 1/1 copy of the allele Heterozygous - has 1/2 copies of the alleleHomozygous - has 2/2 copies of the allele
It takes 8 copies of a recessive gene to overpeower dominant gene
Most individuals have two normal copies of the beta globin gene
One.
8
Humans typically have two copies of each gene, one inherited from each parent. This pairing of genes allows for genetic diversity and a variety of possible gene combinations. Some genes may have multiple copies or variations, but in general, humans have two copies of most genes.
2
A transgenic organism that has extra copies of a gene produces more of the DNA that is coded for by that gene
The production of multiple copies of a single gene.
True
gene therapy
The base color is black/red factors, controlled by the Extension gene. A horse with one or two copies of the Extension gene (Ee or EE) will have black factors. A horse with no copies of the Extension gene (ee) will be chestnut.The Agouti gene acts on the Extension gene by limiting where the black factors are displayed, into points such as the legs, mane, tail, muzzle, and ears. A horse with at least one copy of the Extension gene that doesn't not have a copy of the Agouti gene will be black, provided that no other gene modify the color. One or two copies of the Agouti gene in combination with the Extension gene will result in a bay horse. A chestnut horse (no copies of the Extension gene) can have copies of the Agouti gene, but it will not affect the horse's color, as the horse has no black factors for the Agouti gene to limit.
over copies