NEET Biology question
A homozygous sweet pea plant with blue flowers () and long pollen () is crossed with a homozygous plant having red flowers () and round pollen (). The resultant hybrid () is test-crossed with the double homozygous recessive (). Since the genes for flower colour and pollen shape are closely linked, which of the following statements about the test-cross progeny is correct?
Solution
This is based on Bateson and Punnett's classic sweet pea experiment, in which the genes for flower colour and pollen shape are linked on the same chromosome, so crossing over between them is relatively infrequent; as a result, the test-cross progeny of the show a much higher
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