What are some ways to remember how to tell the difference between the alleles <recessive and dominant> given by the mother and father?

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What are some ways to remember how to tell the difference between the alleles <recessive and dominant> given by the mother and father?

Alleles occur in pair which forms or crosses each other when mother and father mates, each parent donates on to form a pair for the offspring. a gene is said to be dominant when it is expressed physically and dominates others such as tallness, height, color e.t.c a gene is termed as recessive when the dominant gene is expressed over it is expressed often in small letters such as pp while dominant as PP or Pp

Explanation:

it takes hundreds of years to become stable.

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