In roses, heart-shaped leaves (h) are recessive to normal-shaped leaves (H) and

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In roses, heart-shaped leaves (h) are recessive to normal-shaped leaves (H) and white flowers (r) are recessive to red flowers (R). The genes for leaf shape and flower color are located on the same chromosome, 32 m.u. apart. In cross 1, a pure-breeding bush with heart-shaped leaves and red flowers is crossed with a pure-breeding bush with normal-leaves and white flowers. In cross 2, a F1 from cross 1 is crossed with a bush with heart-shaped leaves and white roses. Diagram Cross 1 using linkage notation. Diagram Cross 2; indicate the phenotypes and phenotypic ratios expected in the progeny of this cross.

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Answer: In roses, heartshaped leaves (h) are recessive to normalshaped leaves (H) and white flowers (r) are recessive to red flowers (R). The genes for leaf shape and flower color are located on the same chromosome, 32 m.u. apart. In cross 1, a purebreeding bush with heartshaped leaves and red flowers is crossed with a purebreeding bush with normalleaves and white flowers. In cross 2, a F1 from cross 1 is crossed with a bush with heartshaped leaves and white roses.

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In roses, Red (R) is dominant over white (r) flowers, and Thorny (T) is dominant

In roses, two gene loci on an autosomal chromosome are 30cM from each other. At

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In roses, heart-shaped leaves (h) are recessive to normal-shaped leaves (H) and

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