Reproduction that involves two parents is called. Asexual reproduction Behaviour Genetics Sexual Reproduction Which method of asexual reproduction where a new organism develops wholly from a female organism's egg cell. Budding Binary Fission Fragmentation Parthenogenesis Which is not a form of asexual reproduction? Budding Copulation Fission Parthenogenesis
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- (a) Distinguish between asexual and sexual reproduction. Why isvegetativereproduction also considered as a type of asexual reproduction?(b) Which is better mode of reproduction : Sexual or Asexual? Why?Plants and animals are both capable of reproducing asexually. In which typesof asexual reproduction are common to both organisms?Women sometimes develop benign tumors calledovarian teratomas or dermoid cysts in their ovaries.Such a tumor begins when a primary oocyte escapesfrom its prophase I arrest and finishes meiosis Iwithin the ovary. (Normally meiosis I does not finish until the primary oocyte is expelled from theovary upon ovulation.) The secondary oocyte thendevelops as if it were an embryo. Development isdisorganized, however, and results in a tumorcontaining differentiated diploid tissues, includingteeth, hair, bone, muscle, and nerve. If a dermoidcyst forms in a woman whose genotype is Aa, whatare the possible genotypes of the cyst, assuming norecombination?
- evel Basic Features of Reproduction Which of the following features does not differentiate asexual reproduction from sexual reproduction? Asexual reproduction involves a single parent but it is not the case in sexual reproduction. Sexual reproduction does not involve gamete formation but asexual reproduction does. Asexual reproduction does not involve mitosis while sexual reproduction does. I. II. III. (a) I and II (b) II and III (c) I and III (d) I, II and IIIIdentify each of these statements as ones that describe asexual reproduction (A),sexual reproduction (S), or could describe both (B) forms of reproduction. Writeyour answer on the space provided before each number.B= BothA= Asexual ReproductionS= Sexual Reproduction1. organism does not need a mate to reproduce2. takes some time to create offspring-3. the offspring are not the exact copy of their parent/s4. it is a quick process5. does not need to develop special cells for reproduction6. environmental changes affect all individuals-7. may only be able to reproduce with a limited number or may notreproduce at all_8. offspring are reproduced9. characteristics are passed down to the next generation10. many new organisms are created in a short period of time11. dogs and cats reproduce this way12. amoeba, yeast and bacteria reproduce this way.13. plants reproduce this way14. production of gametes is necessary15. its purpose is the survival and continuity of speciesIn asexual reproduction only ______ ______________is involved, and the offspring are genetically _____________________to the parent. – In Unchanging environments In sexual reproduction _______ _________________are involved, and the offspring are genetically ___________________from the parent. – Changing environments Evolution is _____________ _____________over time in a ________________________. Different organisms have different genes. How is it that so many organisms seem perfectly suited to their environment? ___________ _____ ___________________. After a genetic __________or mutation in an organism, It survives, reproduces, and passes along its genes. Beneficial ______________ develop at random. The environment “___________” beneficial adaptations. Adaptations are an inherited characteristic.
- tion 94 Which of the following is not true regarding asexual reproduction? vet ered Select one: ced out of O a. The produced cells are genetically identical O b. A single individual passes along copies of all its genes to its offspring uonsənb 6e Oc. The cells use mitosis to divide O d. The cells use meiosis to divide Oe. It happens in both unicellular and some multicellular organismsWhat is "ecdysis"? O The outermost covering of an ovum that undergoes external fertilization. O A form of asexual reproduction The act of emerging out of the old cuticle during molting. The transformation of a larva into an adult that looks completely different from the larval form.EVOLUTION CONNECTION Many species can reproduceeither asexually or sexually. Explain what you think might bethe evolutionary significance of the switch from asexual tosexual reproduction that occurs in some organisms when theenvironment becomes unfavorable.
- Where does fertilization (the union of a sperm and egg) take place? vagina uterus ovary oviduct zygote epididymisAsexual vs Sexual Reproduction Organism Identification There are over 1.5million species oflivingthings onthe planet. Allofthemmustreproduce, eitherasexually or sexually. Asexual reproduction is a process that requires only one parent, and produces offspring that are genetically identical to the parent. Sexual reproduction requires DNA from spermandegg cells that combine to form offspring that are genetically unique. Go to http://learn.genetics.utah.edu/content/variation/reproduction/ and use the information to complete the chartbelowidentifyingwhattype ofreproductioneachorganismuses, andexplain youranswerusing evidence from the description for each animal. The cart continues on the back of the page. Asexual or Sexual Reproduction Organism Evidence Honey bee Pink salmon Sunflower Leopard frog Baker's yeast Bald eagle Seahorse Brittle starWhich of the follwing structures is not made up of several cells? Practris Seminiferous Tubule Follicle O Mitotic Spindle Anther