Question
Explain Dihybrid cross with punnette square.
Answers
Answer:
Dihybrid cross is a cross between two different lines/genes that differ in two observed traits. ... According to Mendel's statement, between the alleles of both these loci, there is a relationship of completely dominant - recessive traits.
Explanation:
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Explanation:
Dihybrid cross is a cross between two different lines/genes that differ in two observed traits. We compare two different characteristics in a dihybrid cross.
Its phenotypic ratio is 9:3:3:1, where 9 plants have all dominant characteristics and 1 plant has all recessive characteristic. (Valid only for Angiosperms / similar sexually reproducing organisms)
According to Mendel's statement, between the alleles of both these loci, there is a relationship of completely dominant - recessive traits. In the example pictured to the right, RRYY/rryy parents result in F1 offspring that are heterozygous for both R and Y (RrYy).
In the name "Dihybrid cross", the "di" indicates that there are two traits involved (e.g. R and Y), the "hybrid" means that each trait has two different alleles (e.g. R and r, or Y and y), and "cross" means that there are two individuals (usually a mother and father) who are combining or "crossing" their genetic information.
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