Bac D Bénin Practice Questions - Baccalauréat Série D (Biologie - Géologie) - Bénin Exam

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In a classical Mendelian monohybrid cross between two heterozygous tall pea plants (Tt x Tt), where tall (T) is completely dominant over dwarf (t), what is the expected phenotypic ratio among the offspring?

1 tall : 1 dwarf (50% tall, 50% dwarf) 3 tall : 1 dwarf (75% tall, 25% dwarf) 1 tall : 2 intermediate : 1 dwarf (25% : 50% : 25%) All tall (100% tall)

Correct Answer:

3 tall : 1 dwarf (75% tall, 25% dwarf)

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