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| In animal sexual reproduction the gametes are formed by the process of |
| a. meiosis. |
| b. mitosis. |
| c. fusion. |
| d. binary fission. |
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- What is a likely evolutionary advantage of sexual reproduction over asexual reproduction? a. sexual reproduction involves fewer steps b. less chance of using up the resources in a given environment c. sexual reproduction results in greater variation in the offspring d. sexual reproduction is more cost-effectiveWhich of the following is an advantage of asexual reproduction over sexual reproduction? A. Asexual reproduction leads to offspring with high genetic diversity. B. Asexual reproduction requires a partner. C. The resulting offspring have no genetic diversity. D. Asexual reproduction does not require a partner.Sexual reproduction involves an organism (A.) growing from body parts that are cut or broken off the parent. (B.) being produced through a unique combination of DNA from two gametes. (C.) generating an identical offspring on the surface of its own body. (D.) replicating its DNA before dividing in half to produce two organisms.
- In humans, sexual reproduction that produces an embryo, which then develops into a fetus, requires: a. Neither mitosis or meiosis b. Mitosis c. Both mitosis and meiosisWhich of the following consequences of sexual reproduction is considered disadvantageous? A. More rapid evolution. B. Generation of novel genotypes. C. Clearance of deleterious mutations. D. Reduced relatedness.How 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 puberty
- In animals, a key difference between spermatogenesis andoogenesis is thata. only oogenesis involves meiosis.b. only spermatogenesis involves meiosis.c. spermatogenesis produces four sperm, whereas oogenesisproduces only one egg cell.d. None of the above describes a difference between the twoprocesses.What is a likely evolutionary advantage of sexual reproduction over asexual reproduction? a. Sexual reproduction involves fewer steps. b. There is a lower chance of using up the resources in a given environment. c. Sexual reproduction results in variation in the offspring. d. Sexual reproduction is more cost-effective.The process by which haploid cells are produced from diploid cells is called A( sexual reproduction. B) meiosis C) gameoto reduction D) mitosis
- Which of the following characterizesparthenogenesis?(A) An individual may change its sex during itslifetime.(B) Specialized groups of cells grow into newindividuals.(C) An organism is first a male and then a female.(D) An egg develops without being fertilized.If 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. fertilizationYou are studying reproduction in starfish (also known as sea stars). You are able to successfully extract sperm and eggs from individuals in the lab and artificially fertilize the eggs. What is the first thing you expect to see in the zygote/embryo after successful fertilization? Group of answer choices a. development of organs b. development of a barrier against sperm entry c. rapid cell division WITHOUT growth d. rapid cell division with growth
