1.1. Modes of reproduction
Chapter 1: Chapter 1 · ZOOLOGY · EN medium
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All modes of reproduction have some basic features such as synthesis of RNA and proteins, replication of DNA, cell division and growth, formation of reproductive units and their fertilization to form new individuals. Organisms exhibit two major modes of reproduction namely asexual and sexual reproduction. Reproduction by a single parent without the involvement of gamete formation is asexual reproduction and the offspring produced are genetically identical. Asexual reproduction is usually by amitotic or mitotic division of the somatic (body) cells, hence is also known as somatogenic or blastogenic reproduction.
📖 Class 12 Zoology English 2024 Edition www.tntextbooks.in · Page 9
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All modes of reproduction have some basic features such as synthesis of RNA and proteins, replication of DNA, cell division and growth, formation of reproductive units and their fertilization to form new individuals. Organisms exhibit two major modes of reproduction namely asexual and sexual reproduction. Reproduction by a single parent without the involvement of gamete formation is asexual reproduction and the offspring produced are genetically identical. Asexual reproduction is usually by amitotic or mitotic division of the somatic (body) cells, hence is also known as somatogenic or blastogenic reproduction.
When two parents participate in the reproductive process involving two types of gametes (ova and sperm), it is called sexual reproduction. . . Asexual reproduction Asexual reproduction is wide spread among different organisms.
It is common in members of Protista, Bacteria, Archaea and
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