Podcast
Questions and Answers
Which term refers to a cell that contains two sets of chromosomes?
Which term refers to a cell that contains two sets of chromosomes?
- Diploid (correct)
- Zygote
- Homologous
- Haploid
What is the correct term for a cell that contains one set of chromosomes?
What is the correct term for a cell that contains one set of chromosomes?
- Diploid
- Zygote
- Haploid (correct)
- Homologous
What is the result of the fusion of a sperm and an egg cell?
What is the result of the fusion of a sperm and an egg cell?
- Diploid
- Homologous
- Haploid
- Zygote (correct)
How many chromosomes are present in a human zygote?
How many chromosomes are present in a human zygote?
How many pairs of chromosomes are present in a human cell?
How many pairs of chromosomes are present in a human cell?
What is the term for the two copies of a chromosome that make up a pair?
What is the term for the two copies of a chromosome that make up a pair?
What is the term for the two identical copies of a chromosome that are held together by a centromere?
What is the term for the two identical copies of a chromosome that are held together by a centromere?
What is the structure that connects the sister chromatids?
What is the structure that connects the sister chromatids?
Which term refers to chromosomes that are not involved in determining an individual's sex?
Which term refers to chromosomes that are not involved in determining an individual's sex?
What are the cells of the body that are not involved in reproduction called?
What are the cells of the body that are not involved in reproduction called?
During which stage of the cell cycle does DNA replication occur?
During which stage of the cell cycle does DNA replication occur?
What is the process by which homologous chromosomes exchange genetic material?
What is the process by which homologous chromosomes exchange genetic material?
Which type of cell division results in the formation of gametes?
Which type of cell division results in the formation of gametes?
What is the term for the loss of one or more chromosomes during cell division?
What is the term for the loss of one or more chromosomes during cell division?
Which type of reproduction involves the fusion of gametes from two parents?
Which type of reproduction involves the fusion of gametes from two parents?
What is the term for the random distribution of homologous chromosomes during meiosis?
What is the term for the random distribution of homologous chromosomes during meiosis?
Which type of selection favors extreme phenotypes and reduces genetic diversity?
Which type of selection favors extreme phenotypes and reduces genetic diversity?
What is the term for a change in the frequency of alleles in a population over time?
What is the term for a change in the frequency of alleles in a population over time?
What is the term for the process by which individuals with advantageous traits are more likely to survive and reproduce?
What is the term for the process by which individuals with advantageous traits are more likely to survive and reproduce?
What is the term for the study of the distribution and frequency of alleles in populations?
What is the term for the study of the distribution and frequency of alleles in populations?
Which term refers to the process by which homologous chromosomes exchange genetic material?
Which term refers to the process by which homologous chromosomes exchange genetic material?
How many chromosomes are present in a human somatic cell?
How many chromosomes are present in a human somatic cell?
Which type of cell division results in the formation of gametes?
Which type of cell division results in the formation of gametes?
What is the term for the loss of one or more chromosomes during cell division?
What is the term for the loss of one or more chromosomes during cell division?
What is the term for the random distribution of homologous chromosomes during meiosis?
What is the term for the random distribution of homologous chromosomes during meiosis?
What is the correct term for a cell that contains one set of chromosomes?
What is the correct term for a cell that contains one set of chromosomes?
What is the term for the two identical copies of a chromosome that are held together by a centromere?
What is the term for the two identical copies of a chromosome that are held together by a centromere?
Which type of selection favors extreme phenotypes and reduces genetic diversity?
Which type of selection favors extreme phenotypes and reduces genetic diversity?
What is the term for the process by which individuals with advantageous traits are more likely to survive and reproduce?
What is the term for the process by which individuals with advantageous traits are more likely to survive and reproduce?
What is the term for the study of the distribution and frequency of alleles in populations?
What is the term for the study of the distribution and frequency of alleles in populations?
Which term refers to the process by which homologous chromosomes exchange genetic material?
Which term refers to the process by which homologous chromosomes exchange genetic material?
What is the term for the two identical copies of a chromosome that are held together by a centromere?
What is the term for the two identical copies of a chromosome that are held together by a centromere?
Which type of cell division results in the formation of gametes?
Which type of cell division results in the formation of gametes?
What is the term for the study of the distribution and frequency of alleles in populations?
What is the term for the study of the distribution and frequency of alleles in populations?
What is the term for the process by which individuals with advantageous traits are more likely to survive and reproduce?
What is the term for the process by which individuals with advantageous traits are more likely to survive and reproduce?
What is the term for the random distribution of homologous chromosomes during meiosis?
What is the term for the random distribution of homologous chromosomes during meiosis?
Which term refers to chromosomes that are not involved in determining an individual's sex?
Which term refers to chromosomes that are not involved in determining an individual's sex?
What is the term for a change in the frequency of alleles in a population over time?
What is the term for a change in the frequency of alleles in a population over time?
What is the term for the loss of one or more chromosomes during cell division?
What is the term for the loss of one or more chromosomes during cell division?
Which type of selection favors extreme phenotypes and reduces genetic diversity?
Which type of selection favors extreme phenotypes and reduces genetic diversity?
Study Notes
Cell Genetics
- A cell that contains two sets of chromosomes is called diploid.
- A cell that contains one set of chromosomes is called haploid.
- The fusion of a sperm and an egg cell results in a zygote.
- A human zygote contains 46 chromosomes.
- A human cell contains 23 pairs of chromosomes.
- The two copies of a chromosome that make up a pair are called homologous chromosomes.
- The two identical copies of a chromosome that are held together by a centromere are called sister chromatids.
- The structure that connects sister chromatids is the centromere.
- Chromosomes that are not involved in determining an individual's sex are called autosomes.
- Cells of the body that are not involved in reproduction are called somatic cells.
Cell Cycle and Division
- DNA replication occurs during the S phase of the cell cycle.
- The process by which homologous chromosomes exchange genetic material is called crossing over.
- Meiosis is the type of cell division that results in the formation of gametes.
- The loss of one or more chromosomes during cell division is called aneuploidy.
- Sexual reproduction involves the fusion of gametes from two parents.
Genetics and Evolution
- The random distribution of homologous chromosomes during meiosis is called independent assortment.
- Directional selection is the type of selection that favors extreme phenotypes and reduces genetic diversity.
- Microevolution is the change in the frequency of alleles in a population over time.
- Natural selection is the process by which individuals with advantageous traits are more likely to survive and reproduce.
- Population genetics is the study of the distribution and frequency of alleles in populations.
- Crossing over is the process by which homologous chromosomes exchange genetic material.
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Description
Quiz: Current Topics in Cell and Developmental Biology Test your knowledge on selected topics in cell molecular and developmental biology. This quiz will cover interpreting primary literature, hypothesis development, experimental design, and scientific communication skills. Prerequisite: minimum grade of
