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Biology

1 answer:

morpeh [17]4 years ago

5 0

Answer:

i think the last option might be correct

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What phenotypic ratio would one would expect from crossing two heterozygous smooth kernel corn plants that show mendelian inheri

ExtremeBDS [4]

Answer:

Smooth kernel corn plant : wrinkled kernel corn plant $= 3:1$

Explanation:

Mendelian inheritance follows the laws of segregation and independent assortment. Thus, there exists neither co-dominance nor incomplete dominance.

Let the allele for smooth kernel trait of corn plants be represented by "S"

and the allele for wrinkled kernel trait of corn plants be represented by "s"

The genotype of heterozygous smooth kernel corn plants will be "Ss"

The offspring produced by crossing two heterozygous smooth kernel corn plants would be -

Ss * Ss

SS, Ss, Ss, ss

Out of four offspring , one offspring is homozygous smooth kernel corn plant

Two offspring are heterozygous smooth kernel corn plants

and the remaining last offspring is homozygous wrinkled kernel corn plant

The phenotypic ration is

Smooth kernel corn plant : wrinkled kernel corn plant $= 3:1$

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