Biology, asked by pragnasree9876, 11 months ago

dominance is not an autonomous feature of a gene in case more than one phenotype is influences by the same thing. explain

Answers

Answered by BioIogy
6
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Explanation to Your Question :-

∆ Genes come in different versions, or alleles. A dominant allele hides a recessive allele and determines the organism's appearance.

∆ When an organism makes gametes, each gamete receives just one gene copy, which is selected randomly. This is known as the law of segregation.

∆ A Punnett square can be used to predict genotypes (allele combinations) and phenotypes(observable traits) of offspring from genetic crosses.

∆ A test cross can be used to determine whether an organism with a dominant phenotype is homozygous or heterozygous


=> In Mendel's model, parents pass along “heritable factors," which we now call genes, that determine the traits of the offspring. Each individual has two copies of a given gene, such as the gene for seed color (Y gene) shown below. If these copies represent different versions, or alleles, of the gene, one allele—the dominant one—may hide the other allele—the recessive one. For seed color, the dominant yellow allele Y hides the recessive green allele y.

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