Predict the phenotype of offspring from a test cross between a seedless orange (Ss) and a seeded orange (SS)

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Biology

Katrina

28 March, 09:01

Predict the phenotype of offspring from a test cross between a seedless orange (Ss) and a seeded orange (SS)

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Braveheart · Answer 1

Ss x ss. The seeded plant produces 2 gametes S and s in equal proportion, the seedless plant only s. They combine to give Ss and ss in a 1:1 ratio, so they will be 50% seeded and 50% seedless.