Samacheer Kalvi twelfth Biography Botany Chromosomal Foundation from Heredity More Inquiries and you can Answers

Samacheer Kalvi twelfth Biography Botany Chromosomal Foundation from Heredity More Inquiries and you can Answers

Question twenty two. Establish their genetics involved in it. Answer: Zea ple to have monoecious, which means men and women vegetation occur for a passing fancy bush. There are two main kind of inflorescence. This new critical inflorescence holds staminate florets that create out-of capture apical meristem named tassel. The fresh horizontal inflorescence and that generate pistillate florets away from axillary bud was entitled ear canal otherwise cob. Unisexuality when you look at the maize happens from the choosy abortion regarding stamens from inside the-ear canal florets and you may pistils in the tassel florets. Replacement of a couple solitary gene sets ‘ba’ to own bare bush and you will ‘ts’ for tassel seed makes the difference in monoecious and you will dioecious (rare)

How sex is determined in monoecious vegetation?

maize flowers. New allele to own bare bush (ba) whenever homozygous helps to make the base staminate by detatching cotton and ears.Continue reading

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