Two linked genes a and b show \( 20 \% \) re combination. The individuals of a hybrid cross betw...

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Two linked genes a and b show \( 20 \% \) re combination. The individuals of a hybrid cross between \( ++/++x \) ab/ab shall show gametes:
(a) ++50:ab 50
(b) \( ++80: a b 20 \)
(c) ++40: ab \( 40:+ \) a \( 10:+ \) b 10
(d) ++30: ab 30:+ \( 20:+b 20 \)
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