WebJul 25, 2003 · Double fertilization is a defining feature of reproductive development in the most evolutionarily successful and wonderfully diverse group of plants on the earth known as the angiosperms or flowering plants. WebSolution Verified by Toppr Correct option is C) Double fertilisation is a characteristic of angiosperms. It is found in Capsella, out of the following four options. It was first discovered by Nawaschin. He discovered the double fertilisation where a triploid endosperm and a diploid zygote is formed.
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WebSep 3, 2024 · Explanation. Double fertilization is a complex fertilization mechanism of flowering plants (angiosperms). This process involves the joining of a female … WebDouble fertilization is a phenomenon unique to angiosperms. Each pollen grain produces two sperm; one fuses with an egg to form the zygote, and the other fuses with one or more polar nuclei in the female gametophyte (megagametophyte, or also “embryo sac”) to form an endosperm, which has a ploidy level that varies from 2 n to 15 n. mornington island aged care facility
Solved ?Double fertilization is a unique feature of - Chegg
WebWhen a pollen grain reaches the stigma, a pollen tube extends from the grain, grows down the style, and enters through an opening in the integuments of the ovule. The two sperm cells are deposited in the embryo sac. What occurs next is called a double fertilization event ( Figure 14.27) and is unique to angiosperms. WebThe double fertilization of flowering plants was discovered a century ago. The cytology of the gametes is now well known. However the description of the fertilization steps is still poor and most of the cellular and molecular mechanisms involved are unknown. Recent research using in vitro fertilizat … WebApr 2, 2024 · Hint: Double fertilization is the characteristics of the most advanced and evolved species of plants. Flower formation, seeds, and covered ovules are unique features seen in these plants. They are also known as flowering plants or Magnoliophyta. Complete answer: mornington irrigation supplies