Timothy Walker looks at how pioneer botanists unlocked the patterns found in different types of plants and opened the door to a new branch of science - plant genetics. Show more
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Timothy Walker looks at how pioneer botanists unlocked the patterns found in different types of plants and opened the door to a new branch of science - plant genetics. Show more
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
