Question for Detailed Overview: Asexual Reproduction Try yourself: Benefits of asexual reproduction include all of the following except A. it often allows for the production of many more offspring at the same time B. it is advantageous in changing environments in which population variety is the key to successful propagation of a species C. it is easier in certain environments to have offspring without searching for a mate D. allowing the conservation of resources otherwise allocated to finding mates and performing ritualized courtship. Explanation All of these statements concerning asexual reproduction are correct, except that asexual reproduction is best in favorable, stable environments, ones that don’t change rapidly. The reason for this is that asexual reproduction, in contrast to its sexual counterpart, results in the formation of identical offspring. Although asexual organisms can often produce many more offspring in a single reproductive event than sexual organisms, these asexually produced young do not usually have the genetic variation caused by meiosis and crossing-over to be able to survive a rapidly changing environment or times of environmental stress. View Solution

it often allows for the production of many more offspring at the same time

it is advantageous in changing environments in which population variety is the key to successful propagation of a species

it is easier in certain environments to have offspring without searching for a mate

allowing the conservation of resources otherwise allocated to finding mates and performing ritualized courtship.

Question for Detailed Overview: Asexual Reproduction Try yourself: On the basis of which factors reproduction method is determined A. Habitat, other factors B. Internal physiological processesof livings. C. Habitat, physiological interactions, other factors D. only effective factors. Explanation The type of reproduction adopted by an organism depends on organisms habitat, physiology, and genetic make up. The habitat determines the type of reproduction like if the organism lives in a habitat which favors mating or promotes cross fertilization or cross pollination it undergoes sexual reproduction while if the habitat supports self pollination and restricts mating asexual reproduction takes place. Physiology is also determining factor for sexual or asexual reproduction. For example, if the male or female sex organs mature at different time the unfertilized gametes develops into an individual by parthenocarpy which is a form of asexual reproduction. If the male or female sex organs mature at the same time sexual reproduction takes place. Genetic makeup also determines the type of reproduction. Somatic cell favors the asexual reproduction while the germ cell favors the sexual reproduction. View Solution

Internal physiological processesof livings.

Habitat, physiological interactions, other factors

Question for Detailed Overview: Asexual Reproduction Try yourself: Which option is proper for formation of exogenous hud? A. Any organ of parent body divides frequently mitotically to form bud. B. All organs of parent body frequently divides mitotically to form bud. C. Any organ of parent body frequently divides mitotically as a result bud forms as an outgrowth D. Any organ of parent body frequently divides amitotically, bud fronts as an outgrowth. Explanation Exogenous budding is a type of asexual reproduction shown by certain living organisms. In this process, a new organism develops as a form of an outgrowth or a bud on the surface of the mother cell. It develops externally on the mother parent. View Solution

Any organ of parent body divides frequently mitotically to form bud.

All organs of parent body frequently divides mitotically to form bud.

Any organ of parent body frequently divides mitotically as a result bud forms as an outgrowth

Any organ of parent body frequently divides amitotically, bud fronts as an outgrowth.

Question for Detailed Overview: Asexual Reproduction Try yourself: What is fragmentation? A. Parent body breaks into smaller, larger parts, and required parts regenerate to form complete organism. B. Parent body longitudinally divides in equal parts, required parts regenerate and complete organism is formed. C. Parent body tranasversely div ides into equal parts, required parts regenerate to form complete animal. D. Parent bodv alternately div ides longitudinally and tranasversely. remaining parts regenerated to form complete organism. Explanation Fragmentation is the breaking of the body into parts and then the organism develops all the parts of the body. The fragmentation is the type of reproduction in lower organisms. The fragments which are produced can develop into new organisms. View Solution

Parent body breaks into smaller, larger parts, and required parts regenerate to form complete organism.

Parent body longitudinally divides in equal parts, required parts regenerate and complete organism is formed.

Parent body tranasversely div ides into equal parts, required parts regenerate to form complete animal.

Parent bodv alternately div ides longitudinally and tranasversely. remaining parts regenerated to form complete organism.

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Detailed Overview: Asexual Reproduction Video Lecture - Biology Class 12 - NEET

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FAQs on Detailed Overview: Asexual Reproduction Video Lecture - Biology Class 12 - NEET

1. What is asexual reproduction?

Ans. Asexual reproduction is a type of reproduction where an organism can produce offspring without the involvement of another organism. It is a process where a single individual or a single parent produces genetically identical offspring.

2. How does asexual reproduction occur?

Ans. Asexual reproduction can occur through various ways such as budding, fragmentation, and binary fission. Budding is a process where a new offspring grows as a bud from the parent organism. Fragmentation is a process where the parent organism breaks into smaller pieces, and each piece grows into a new offspring. Binary fission is a process where a single parent organism divides into two identical offspring.

3. What are the advantages of asexual reproduction?

Ans. Asexual reproduction has several advantages, such as it is a faster process than sexual reproduction, and it does not require a mate to reproduce. It also ensures that the offspring are genetically identical to the parent organism, which can be beneficial in a stable environment.

4. What are the disadvantages of asexual reproduction?

Ans. Asexual reproduction has some disadvantages, such as it restricts genetic variation, which can be harmful in changing environments. It also increases the risk of genetic diseases and mutations, as there is no genetic recombination.

5. Which organisms use asexual reproduction?

Ans. Asexual reproduction is used by various organisms, such as bacteria, fungi, plants, and some animals. Examples of asexual reproduction in plants include vegetative propagation and apomixis, while animals such as starfish, sea anemones, and amoebas use asexual reproduction.

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	Biology Class 12 157 videos\|398 docs\|239 tests

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157 videos|398 docs|239 tests

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Timeline

00:00	Introduction
00:30	Overview
00:58	Lifespan
03:30	Reproduction: Definition
03:51	Reproduction: Purpose
04:25	Reproduction: Types
06:05	Reproduction: Choice
08:50	Question 1
08:52	Asexual Reproduction
10:34	Question 2
10:35	Asexual reproduction: Types
11:01	Fission
14:23	Question 3
14:24	Budding
17:02	Question 4
18:11	Fragmentation
20:32	Regeneration
22:34	Question 5
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