Asexual and Sexual Reproduction Review Name: __________________________________________ Date: _______________ Period: ____ Read Chapter 3 sections 1 and 4 in your books and complete the statements. Content Vocabulary: 1. Many female animals are born with all their ____________________. 2. Bacteria reproduce by a process called ______________________. 3. The cell formed from the fusion of egg and sperm is called a _______________________. 4. ____________________ reproduction is the most common form of reproduction in eukaryotes. 5. ____________________ reproduction results in offspring that are genetically identical to the parent. 6. Producing a new organism form a body part is known as ________________________. 7. Yeast cells produce by _____________________, in which a new organism forms on the parent organism. 8. ____________________ is the method of asexual reproduction developed by scientist in the laboratory. Reading Review: 1) Sexual Reproduction a) ____________________ combines genetic material from two different parent cells. b) Sexual reproduction creates genetic variation, which helps populations survive changing ______________________ conditions and _______________________. c) The major disadvantages of sexual reproduction are the need to get __________________________ and ______________________ together, the time needed for organisms to reach and age when they can ______________________. 2) Asexual Reproduction a) __________________________ reproduction produces offspring from as single parent that is __________________________ to the parent organism. b) Asexual reproduction takes __________________________ time and energy than sexual reproduction, and organism well- _________________________ to the environment always produce well-adapted offspring. c) Lack of genetic _________________________ makes populations more susceptible to disease, changes in the environment, and harmful __________________________. 3) Type of Asexual Reproduction a) Bacteria, which have no nucleus, reproduce by _______________________, or producing two identical cells. b) Some single-celled eukaryotes reproduce by ________________________, followed by cell division. c) Yeast reproduces by ___________________________, in which a new organism forms on the parent. d) Many plants can reproduce from _________________________, in addition to reproducing sexually. e) _____________________________ produces a new organism from part of an animal’s body. f) Cloning g) Scientists can ________________________ plants to produce identical plants with desirable genetic traits. h) Animals can be cloned in the laboratory, but they are often not as ___________________________. Short Response 1. Compare a sexually produce offspring to its parents. ________________________________________________________________________________ ________________________________________________________________________________ 2. How does genetic variation affect the survival of a species? _______________________________ ________________________________________________________________________________ 3 Why brothers who have the same parents are not identical? ______________________________ ________________________________________________________________________________ 4. Compare and asexually produced offspring to its parents. ________________________________________________________________________________ ________________________________________________________________________________ 5. What are two disadvantages of asexual reproduction? ___________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 6. Yeasts are commonly used to make bread and reproduce asexually. How might the bread be affected if yeast could reproduce only sexually? __________________________________________ ________________________________________________________________________________ ________________________________________________________________________________