Write a note on Gene and allelic pair.with examples!
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Answer:
Allelic Pairs - the pair of alleles that makes up a certain gene. eg:Homozygous pair - a pair in which both alleles are exactly the same. Heterozygous pair - a pair in which both alleles are different. Dominant trait - The trait that is expressed. Recessive trait - the trait that is hidden by the dominant trait.
Gene-A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins.
eg:For example, if both of your parents have green eyes, you might inherit the trait for green eyes from them. Or if your mom has freckles, you might have freckles too because you inherited the trait for freckles. Genes aren't just found in humans — all animals and plants have genes, too.