Question

what is dyhybrid cross?explain with example.​

Answer 1

Explanation:

A dihybrid cross allows us to look at the pattern of inheritance of two different traits at the same time. For example, say we are crossing two pea plants. The two traits we are looking at are the seed color and shape. The first seed is green and wrinkly, and the second is yellow and round.

Answer 2

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A dihybrid cross is a breeding experiment between two organisms which are identical hybrids for two traits. In other words, a dihybrid cross is a cross between two organisms, with both being heterozygous for two different traits. In a dihybrid cross, the parents carry different pair of alleles for each trait.

for example

color and the shape of seeds at a time. He picked the wrinkled-green seed and round-yellow seed and crossed them. He obtained only round-yellow seeds in the F1 generation. This indicated that round shape and yellow color of seeds are dominant in nature. While the wrinkled shape and green color of seeds are recessive traits.

• Then, F1 progeny was self-pollinated. This resulted in four different combinations of seeds in F2 generation.
• They were wrinkled-yellow, round-yellow, wrinkled-green seeds and round-green in the phenotypic ratio of 9:3:3:1.