In apples, Green (G) peel is dominant over red (g) peel, and Tart (T) taste is d

Question

In apples, Green (G) peel is dominant over red (g) peel, and Tart (T) taste is dominant over sweet (t) taste. The two genes are linked, and have 10% recombination. The following cross is made:

GT/gt X gt/gt

What percent of the offspring will produce apples that have a red peel and Tart taste?

In bluebells, Blue (B) is dominant over white (b) flowers, and Hairy (H) leaves are dominant over smooth (h) leaves. The following cross is made:

BH/bh X bH/bh

What is the phenotypic ratio, if the genes show complete linkage?

Explanation / Answer

In apples, Green (G) peel is dominant over red (g) peel, and Tart (T) taste is dominant over sweet (t) taste. The two genes are linked, and have 10% recombination. The following cross is made:

GT/gt X gt/gt

What percent of the offspring will produce apples that have a red peel and Tart taste?

25 % offspring will produce apples with red peel and tart taste

In bluebells, Blue (B) is dominant over white (b) flowers, and Hairy (H) leaves are dominant over smooth (h) leaves. The following cross is made:

BH/bh X bH/bh

What is the phenotypic ratio, if the genes show complete linkage?

Blue, hairy - 6

Blue, smooth- 2

White, hairy- 6

White smooth - 2

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