Concept explainers
Introduction:
The reproduction in which the offspring arises from a single organism and genes of only one parent are inherited is called asexual reproduction. The fusion of gametes, changes in the chromosomes, and crossing over are not involved in asexual reproduction.
Answer to Problem 1TYK
Correct answer:
The term parthenogenesis refers to a mode of asexual reproduction, which involves the development of the offspring from unfertilized eggs.
Explanation of Solution
Explanation/Justification for the correct statement:
Option (a) is given as parthenogenesis. The reproduction process where the offspring develops from an ovum without fertilization is called as parthenogenesis. It is the process where offsprings are generated by mitosis, or by meiosis, or by the fusion of two of the products of meiosis. Parthenogenesis occurs in a wide diversity of lineages, including certain invertebrates, fishes, lizards, snakes, and birds. This process usually is observed in some invertebrates, fishes, lizards, snakes, birds, and plants. It is a form of asexual reproduction. The embryos develop without fertilization. Hence, Option (a) is correct.
Explanation for incorrect answers:
Option (b) is given as budding. Budding is also a type of asexual reproduction. The new organism develops from a bud or an outgrowth with the help of cell division. The yeast cells also produce a small bulb-like structure called the bud. So, it is incorrect.
Option (c) is given as regeneration. The process of restoration, renewal, and growth is called regeneration. The process of regeneration is used in cells, organisms, genomes, and others. In some animals, some parts of the body can be regenerated. So, it is incorrect.
Option (d) is given as fission. The fission is the process of division of a single cell or an entity, which generates two or more parts. These parts develop into separate entities independent of each other. Most of the cells undergo fission. A single-celled organism such as Paramecium and Amoeba undergo binary fission. So, it is incorrect.
Hence, options (b), (c), and (d) are incorrect.
The type of reproduction, in which the offspring develops from the unfertilized eggs, is called parthenogenesis.
Want to see more full solutions like this?
Chapter 50 Solutions
Biological Science
- Dogs have a diploid chromosome number of 78. How many chromosomes do their gametes have? a. 39 c. 156 b. 78 d. 234arrow_forwardIf meiosis produce haploid cells, how is the diploid numberrestored for those organisms that spend most of their life cycle in the diploid state? a. DNA replication b. reverse transcription c. synapsis d. fertilizationarrow_forwardThe process forming the neural tube and plate via the intercalation of cells along the medial-lateral axis and extension along the anterior-posterior axis occurs is called? a. neurulation b. embryogenesis c. convergent extension d. morphogenesisarrow_forward
- A secondary spermatocyte has 12 chromosomes. How many chromosomes will be found in the primary spermatocyte that gave rise to it? a. 6b. 12c. 18d. 24arrow_forwardWhich structure helps to expel the baby during labor? a. myometrium b. cervix c. endometrium d. vulvaarrow_forwardHow does the production of sperm differ from the production of eggs? a. Sperm production involves meiosis, whereas egg production involves only mitosis. b. Meiosis during sperm production produces four sperm cells, whereas meiosis during egg production produces only one functional egg cell. c. Sperm are haploid, whereas eggs are diploid. d. Sperm production begins during fetal development, whereas the meiotic process that begins egg production doesn’t begin until pubertyarrow_forward
- What makes sexually reproduced offspring genetically different from their parents? a. Genetic recombination during mitosis b. Genetic recombination during meiosis c. Sexual reproduction does not produce genetically different offspring d. Crossing over during mitosisarrow_forwardAfter educating a 20-year old lady about possible adverse effects of her oral contraception, what is her concern shows a lack of understanding? A. Skin rashes B. Weight gaining C. Ovarian Cancer D. Nauseaarrow_forwardWhere does sperm production occur within the testis? a. rete testis c. seminiferous tubules b. myoid cells d. interstitial cellsarrow_forward
- Muscle tissue is made up of cells that contract and release to produce movement. Which process provides the energy that the cells need to contract? A. Photosynthesis B. Mitosis C. Respiration D. Meiosisarrow_forwardHow does folate deficiency affect fetal development? A. It does not affect fetal development B. It increases the health of the fetus C. It can cause birth defects D. It helps the fetus to develop fasterarrow_forwardWhich hormone causes Leydig cells to make testosterone? a. FSH b. LH c. inhibin d. estrogenarrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College