Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Question 1 1. The female gamete is the spore. 2. sperm. egg. zygote. Question 2 1. Arrange the following events of meiosis in sequence: (1) Crossing over, (2) second division, (3)synapsis. 1 >2.2 > 3 3>1>2 2>3>1 2>1>3 1>3>2 Question 3 1. Which term best explains the failure of synapsed homologs to completely separate and migrate to separate cells? nondisjunction 2. inversion duplication synapsis Question 4 1. Cell geneticists have identified what type(s) of chromosome rearrangement? deletions duplications and translocations inversions Question 5 1. A species or biological system used to study a specific biological phenomenon to gain understanding that will be applied to other species is called a ________________. model 2. system prototype system test system control system Question 6 1. If a liver cell of a typical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism? 8 2. 16 32 64 Question 7 1. Reduction division occurs during ____________. meiosis 2. I meiosis II interphase fertilization Question 8 1. Aneuploidies are deleterious for the individual because of what phenomenon? nondisjunction 2. gene dosage meiotic errors X inactivation Question 9 1. What event occurs between meiosis I and meiosis II? genetic 2. recombination interphase interkinesis crossing over Question 10 1. A cell that has only one set of chromosomes and thus, one set of genes is said to be what? diploid 2. haploid monoploid Question 11 1. Which feature of meiosis is not found in mitosis? synapsis 2. cytokinesis chromatid separation spindle formation Question 12 1. The number and appearance of an individual s chromosomes is called the ____________. karyotype 2. prototype archetype diplotype Question 13 1. A cell that is said to be haploid has two 2. sets of chromosomes. one set of chromosomes. an abnormal set of chromosomes. Question 14 1. A life-cycle type in which the diploid and haploid stages alternate is syngamy 2. fertilization. alternation of generations. asexual production. sexual cycling. Question 15 1. A human zygote contains how many chromosomes? 232. 23 pairs 46 pairs 92 Question 16 1. Which of the following is NOT true about cell division? Somatic 2. cell forms the body. Many somatic cells are diploid. Mitosis produces gametes. Gametes are haploid. Question 17 1. In prophase I of meiosis, what does a tetrad consists of? four different chromosomes a pair of homologous chromosomes four chromatids Question 18 1. Producing offspring from a single parent is called asexual 2. reproduction. sexual reproduction. a life cycle. fertilization. Question 19 1. Which of the following is not a main category of sexual life cycle in multicellular organisms? chiasma-dominant 2. diploid-dominant alternation of generations Question 20 1. Two duplicated homologous chromosomes bound together by chiasmata is called a(n) _________. synapsis 2. cytokinesis chromatid separation interphase Question 21 1. A specialized cell that produces gametes, such as eggs or sperm is called a _________. germ 2. cell gonad somatic cell zygote Question 22 1. The process of meiosis always begins with what type of cell? vegetative 2. haploid asexual diploid Question 23 1. A period of rest between meiosis I and meiosis II where there is no replication of DNA is called interphase. 2. prophase. cytokinesis. interkinesis. Question 24 1. A majority of ____________ organisms employ meiosis and fertilization to reproduce. prokaryote 2. eukaryote archaea bacteria Question 25 1. At which stage of meiosis are homologous chromosomes separated from each other? prophase 2. I prophase II anaphase I anaphase II Question 26 1. In one statement, what is sexual reproduction? The 2. production of two haploid cells, one from each of two parents, and the subsequent fusion of two haploid cells to form a single, unique diploid cell. The production of two diploid cells, one from each of two parents, and the subsequent fusion of two diploid cells to form a single, unique tetraploid cell. The production of two haploid cells, one from each of two parents, and the subsequent fusion of two diploid cells to form a single, unique aneuploid cell. Question 27 1. Which term explains an interaction between genes such that one gene masks or interferes with the expression of another. dominant 2. recessive codominant epistasis Question 28 1. If a gorilla has somatic cells containing 48 chromosomes, how many chromosomes will be found in its gametes? 232. 24 48 96 Question 29 1. Sexual reproduction involves the fusion of __________ cells to form a single, unique __________ cell. diploid, 2. haploid diploid, tetraploid haploid, diploid haploid, tetraploid Question 30 1. Sister chromatids are separated from each other during ________________. meiosis 2. I meiosis II interphase fertilization Question 31 1. One of Mendel s principles of genetics says that traits are inherited as particles. 2. genes. factors. chromosomes. Question 32 1. DNA synthesis in meiosis occurs during _____________. S phase 2. G1 phase metaphase I anaphase II Question 33 1. Which of the following is true of meiosis? It produces 2. identical cells. It takes place in all cells. It produces diverse gametes. It is part of asexual reproduction. Question 34 1. A reproductive benefit of the sexual reproductive cycle is that it introduces _________into offspring. variation 2. mutations nondisjunctions polyploidy Question 35 1. The part of meiosis that is similar to mitosis is ________. meiosis 2. I anaphase I meiosis II interkinesis Question 36 1. An individual with the appropriate number of chromosomes for their species is a(n) __________. haploid 2. euploid diploid aneuploid Question 37 1. the formation of a close association between homologous chromosomes during prophase I (Ch 07) 1 points Question 38 1. the sequence of events in the development of an organism and the production of cells that produce offspring (Ch 07) 1 points Question 39 1. the photographic image of a karyotype (Ch 07) 1 points Question 40 1. a nuclear division that produces daughter nuclei each having one-half as many chromosome sets as the parental nucleus; meiosis I is this type of division (Ch 07) 1 points Question 41 1. the first round of meiotic cell division; referred to as reduction division because the resulting cells are haploid (Ch 07)