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Title: reproduction in organisms cheat sheet
Description: short, crisp, and quick to refer notes, provides definitions and examples for the topic reproduction in organisms, very useful for NEET UG students and also for students appearing for medical entrance exams.
Description: short, crisp, and quick to refer notes, provides definitions and examples for the topic reproduction in organisms, very useful for NEET UG students and also for students appearing for medical entrance exams.
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REPRODUCTION IN ORGANISMS
Topic 1
...
2) Reproduction is defined as a biological process in which an organism gives rise to young ones
(offspring) similar to itself
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Topic 2
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(2) When two parents (opposite sex) participate in the process and also involve the fusion of
gametes, called sexual reproduction
Topic 3
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2) The offspring are identical to one another, and are exact copies of their parent
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Common among single-celled organisms
...
E
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Amoeba,
Paramecium
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E
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Hydra, Yeast, etc
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Vegetative Propagation
Runner( Doobgrass), rhizome (banana, ginger), sucker(Mint), stolon (Jasmine) ,tuber (potato),
offset (water hyacinth), bulbil (Agave) are all capable of giving rise to new offspring
...
Topic 4
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1
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2
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unusual flowering
phenomenon
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3
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EVENTS IN sexual reproduction
I
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Gametes are haploid cells
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Gametes which are
morphologically distinct, called heterogameters
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FERTILISATION EVENTS
Syngamy results in the formation of a diploid zygote
...
E
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Most of aquatic organisms and
amphibians
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INTERNAL FERTILISATION
Syngamy occurs inside the body of the organism
...
g
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Female gamete undergoes development to form new organism without fertilisation, called
parthenogenesis Male Honey bee
...
ZYGOTE
It is the product of fertilisation, and is a single cell link between two generations
2
...
Oviparous animals like reptiles and birds, lays fertilised eggs covered by hard calcareous shell
...
Title: reproduction in organisms cheat sheet
Description: short, crisp, and quick to refer notes, provides definitions and examples for the topic reproduction in organisms, very useful for NEET UG students and also for students appearing for medical entrance exams.
Description: short, crisp, and quick to refer notes, provides definitions and examples for the topic reproduction in organisms, very useful for NEET UG students and also for students appearing for medical entrance exams.