Description : What is the significance of mutation and repair of mutations to evolution of sexual reproduction?
Last Answer : meow
Description : Which of the following(s) is/are found in Genetic Algorithms? (i) evolution (ii) selection (iii) reproduction (iv) mutation (a) i & ii only (b) i, ii & iii only (c) ii, iii & iv only
Last Answer : (a) i & ii only
Description : A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as: a. Hybridization b. Bud variation c. Mutation d. Non of them
Last Answer : Mutation
Description : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it saltation. Reason :- Mutations are random and dir
Last Answer : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it ... . D. If both Assertion & Reason are false.
Description : All the following statements about retino blastoma are true except (A) At least two mutations are required for its development (B) One mutation can be inherited from a parent (C) Children ... mutation develop retinoblastoma at a younger age (D) RB 1 gene promotes the development of retinoblastoma
Last Answer : Answer : D
Description : Haploids are more suitable for mutation studies than the diploids. This is because (a) haploids are more abundant in nature than diploids (b) all mutations, whether dominant or recessive ... more stable than diploids (d) mutagens penetrate in haploids more effectively than in diploids.
Last Answer : (b) all mutations, whether dominant or recessive are expressed in haploids
Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.
Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.
Description : According to Hugo de Vries, the mechanism of evolution is :- (1) Multiple step mutations (2) Saltation (3) Phenotypic variations (4) Minor mutations
Last Answer : (2) Saltation
Description : Phenotype of an organism is the result of (a) genotype and environment interactions (b) mutations and linkages (c) cytoplasmic effects and nutrition (d) environmental changes and sexual dimorphism
Last Answer : (a) genotype and environment interactions
Description : Which of the following are examples of repair mechanisms in cells? a. mismatch repair b. excision repair c. DNA polymerase d. DNA ligase e. all are important in fixing mutations
Last Answer : e. all are important in fixing mutations
Description : Hogo de Vries gave his mutation theory on organic evolution while working on `:`
Last Answer : Hogo de Vries gave his mutation theory on organic evolution while working on `:` A. ... Drosophila melanogaster C. Pisum stivum D. Althena rosea
Description : Mutation theory to explain mechanism of evolution was given by Hugo de Vries and he experimented on the :
Last Answer : Mutation theory to explain mechanism of evolution was given by Hugo de Vries and he experimented on ... Fruit fly C. China rose D. Evening primerose
Description : What is a mutation and how does it relate to evolution?
Last Answer : A mutation is any change in the DNA. Mutations provide the genetic variation that evolution by natural selection needs to select from.
Description : Which of the following process is not takes place in evolution of plants? (A)Crossing over (B) Mutation (C) Linkage (D) Coupling
Last Answer : (C) Linkage
Description : The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for (a) interaction with the environment and progressive evolution (b) reproduction (c) growth and movement (d) responsiveness to touch.
Last Answer : (d) responsiveness to touch.
Description : What is the difference between asexual and sexual reproduction?
Last Answer : A: Asexual reproduction is the process of producing offspring without the involvement of gametes or fertilization, while sexual reproduction involves the fusion of gametes from two individuals to produce offspring with genetic diversity.
Last Answer : A: Asexual reproduction involves the production of genetically identical offspring from a single parent, while sexual reproduction involves the fusion of gametes from two parents to produce genetically diverse offspring.
Last Answer : A: Asexual reproduction involves the production of genetically identical offspring from a single parent, while sexual reproduction involves the production of genetically diverse offspring from two parents.
Description : Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology
Last Answer : Gamete represents the sex cell or germ cell in sexual reproduction. ... Zygote is the product of fertilization in which a male and a female gamete fuse with each other. The two fusing ... characters of their parents in their DNA. Fertilization brings characters of both parents into one zygote cell.
Description : Give two reasons for the appearance of variations among the progeny formed by sexual reproduction. -Biology
Last Answer : Now, the two major reasons for appearance of variation among the progeny formed from sexual reproduction are; crossing over in which the DNA gets exchanged between the homologous chromosomes during the meiosis that causes variation in the offspring.
Description : unlike sexual reproduction, vegetative reproduction -General Knowledge
Last Answer : Unlike sexual reproduction, vegetative reproduction: produces offspring by mitosis.
Description : sexual reproduction amongst protozoa is done by _____. -General Knowledge
Last Answer : Sexual reproduction amongst protozoa is done by conjugation of two mature cells.
Description : Distinguish between asexual and sexual reproduction. -Biology
Last Answer : answer:
Description : Explain sexual reproduction in bacteria. -Biology
Description : Difference between Sexual and Asexual reproduction in plants? -Biology
Description : which is a better mode of reproduction: sexual or asexual?why? -Biology
Description : Sexual reproduction in lichens -Biology
Description : why does sexual reproduction result in more genetic variation in species?
Last Answer : It combines different sets of DNA, instead of replicating the same set.
Description : In the human anatomy, eggs and Sperm are a form of which of the followingA.Asexual reproduction B.Sexual reproduction C.GametesD.Somatic cells?
Last Answer : The answer is C. Gametes
Description : What is needed for sexual reproduction ?
Last Answer : Fertilization is needed for sexual reproduction.
Description : What is the type of sexual reproduction in plantain state ?
Last Answer : The sexual reproductive anisogamus of the plantain state is of this type.
Description : Why is sexual reproduction called advanced reproduction ?
Last Answer : New characteristics are created in the resulting organism and this is why the characteristics of the mother organism are maintained.
Description : What is sexual reproduction ?
Last Answer : The process by which gametes are produced and the offspring is formed by the union or fertilization of two sex gametes, the male gamete and the female gamete , is called sexual reproduction.
Description : What is the difference between asexual and sexual reproduction ?
Last Answer : asexual reproduction 1. Occurs in lower class organisms. 2. No gametes are created. 3. Biodiversity is not seen. 4. The number of organisms produced is many. 5. Produced organisms are less tolerant. . ... low. 5. The offspring are more tolerant. . Occurs through the union of male and female gametes.
Description : What is sexual reproduction and what is asexual reproduction ?
Last Answer : Sexual reproduction is the method of evolution of evolutionary animals and plants. Some protostas and fungi also perform asexual reproduction in this way. Sexually reproducing organisms are two different ... cells and the union of two germ cells is called asexual reproduction. Data source Wikipedia
Description : How many germ cells mate in sexual reproduction ?
Last Answer : Sexual reproduction involves the union of 2 germ cells
Description : Which gene is responsible for algae and fungi for sexual reproduction?
Last Answer : I think they grow by specific means not sexually.For more knowledge,you should read some articles related to it which will give you a wide view on it.
Description : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called vegetative reproduction.
Last Answer : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called ... D. If both As and R are wrong.
Description : $ Puccinia graminis causes rust disease of wheat. ! Sexual reproduction is absent in fungi imperfecti.
Last Answer : $ Puccinia graminis causes rust disease of wheat. ! Sexual reproduction is absent in fungi imperfecti. A. If ... wrong D. If both As and R are wrong.
Description : $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells.
Last Answer : $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells. A. If both As and R ... is wrong D. If both As and R are wrong.
Description : The phenomenon of alternation of generation between asexual and sexual reproduction in cnidarians.
Last Answer : Name the following: The phenomenon of alternation of generation between asexual and sexual reproduction in cnidarians.
Description : Why does asexual reproduction result in more genetic diversity than sexual reproduction?
Last Answer : In asexual reproduction there are 2 daughter cells produced thatare identical to the parent cell. In sexual reproduction there are4 genetically different daughter cells produced that are ... of different haploid DNA to produce adiploid offspring which is genetically different from bothparents.
Description : Is an eagle sexual or asexual reproduction?
Last Answer : Need answer
Description : Is sexual or asexual reproduction more beneficial?
Description : What process by which the egg cell and sperm cell unite during sexual reproduction?
Last Answer : The process is known as fertilisation (or fertilization in American English)
Description : How the genetic monotony overcome by the sexual reproduction?
Last Answer : Sexual reproduction is important to avoid genetic monotony the result of asexual reproduction where generation after generation exactly identical progeny develops sexual reproduction produces an endless variety ... each organism develops from a unique set of characters coming from different parents.
Description : Do worm reproduce only through sexual reproduction?
Last Answer : yes, well they can. But there is one more way the can. If youput them in a box i the dark they could do more
Description : Is a bird sexual or asexual reproduction?
Last Answer : Birds use sexual reproduction.
Description : What is the Genetic material for SEXUAL REPRODUCTION?
Last Answer : What is the Genetic material for SEXUAL REPRODUCTION
Description : Why does sexual reproduction result in more genetic variations in a species?
Last Answer : Because the offspring have genetic material from bothparents