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#Question id: 34920


Which of the following features are characteristic of pteridophytes?

#XL - R Botany
  1. Presence of vascular tissues
  2. Seed formation
  3. Independent gametophyte and sporophyte
  4. Heterospory in some species

Answer:- Option(s): 1,3,4


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What are alleles?

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If the parents are AO and BO genotypes for the ABO blood group, their children could include which of the following genotypes?

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Alternate forms of a gene is called

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Alternate forms of a gene is called

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#Question id: 3619

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Alleles that are both expressed in a heterozygote are

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