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You have carried out a genetic screen and isolated two pure-breeding lines of zebrafish with abnormal tail fin shapes. Both of the abnormal phenotypes are inherited in a recessive fashion. What is the easiest way to tell whether these two lines have mutations in the same gene or in two different genes?.

Sagot :

The complementation test, additionally referred to as cis-trans take a look at, genetics, checking for figuring out whether or not two mutations associated with a specific phenotype constitute exceptional sorts of the equal gene (alleles) or are variations of different genes.

Inside the case wherein the mutations are in one-of-a-kind genes, each strain's genome components the wild-kind allele to "complement" the mutated allele of the opposite pressure's genome. because the mutations are recessive, the offspring will display the wild-type phenotype.

Dominant refers to the relationship between two versions of a gene. individuals acquire variations of each gene, known as alleles, from each discern. If the alleles of a gene are special, one allele will be expressed; it's miles the dominant gene.

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