EBK BIOLOGY
11th Edition
ISBN: 8220101459800
Author: Byers
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 2MC
A cell with three or more copies of each homologous chromosome called
a gamete.
haploid.
trisomy X.
polyploid.
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diagram of meiosis of a diploid cell where n = 3, showing all stages. Lable one example of sister chromatids and one example of a pair of homologous chromosomes.
Consider a cell in which nondisjunction occurs for all chromosomes during meiosis I. What would be the result of this event?
Multiple Choice
two diploid gametes
two haploid gametes and one aneuploid gamete with an extra set of chromosomes
four aneuploid gametes
four haploid gametes
set(s) of chromosomes, while diploid cells contain
set(s) of chromosomes. The number of chromosomes within a set is specific
Haploid cells contain
for a given species because
and
alternate.
Chapter 10 Solutions
EBK BIOLOGY
Ch. 10 - Pairs of chromosomes with almost identical genetic...Ch. 10 - A cell with three or more copies of each...Ch. 10 - During crossing over, a. chromatids of homologous...Ch. 10 - Which of the following does not contribute to...Ch. 10 - Haploid nuclei are first formed at what stage of...Ch. 10 - 1. Meiotic cell division produces _______ (how...Ch. 10 - During _______ of meiosis I, homologous...Ch. 10 - Prob. 3FTBCh. 10 - Prob. 4FTBCh. 10 - Women with __________ syndrome have a single X...
Ch. 10 - Prob. 1RQCh. 10 - 2. Describe crossing over. At which stage of...Ch. 10 - 3. In what ways are mitosis and meiosis similar?...Ch. 10 - 4. Diagram and describe the three main types of...Ch. 10 - Describe how meiosis provides for genetic...Ch. 10 - Define nondisjunction, and describe common...Ch. 10 - 1. Many plants can reproduce sexually or...
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- Human haploid gametes (sperm and eggs) contain: a. 46 chromosomes, 46 chromatids b. 46 chromosomes, 23 chromatids c. 23 chromosomes, 46 chromatids d. 23 chromosomes, 23 chromatidsarrow_forwardmeiosis mitosis and meiosis mitosis 1. involves two successive nuclear and cell divisions 2. yields haploid daughter cells 3. results in production of four genetically different daughter cells 4. involves chromosome movement and distribution to daughter cells 5. preceded by replication of chromosomes during interphase 6. results in the production of gametes 7. involves pairing of homologous chromosomes and crossing-over 8. results in the production of two genetically identical daughter cellsarrow_forwardTwo chromosomes have identical shape, size, and alleles. These chromosomes are very likely: homologous chromosomes sister chromatidsarrow_forward
- A chiasma (plural = chiasmata) is (check all that apply): a physical connection between linked genes a physical connection that holds sister chromatids together important for proper segregation of chromosomes during meiosis I a physical connection between non-sister chromatids that is the result of crossing overarrow_forwardProcess resulting in formation of haploid gametes is called? Group of answer choices mitosis meiosis cytokinesis anaphasearrow_forwardDiploid cells have homologous chromosomes true or falsearrow_forward
- Which event during meiosis does NOT lead to genetic diversity in the gamete cells? Sister chromatid replication Independent assortment Crossing over between non-sisters Recombination of homologsarrow_forwardIf gametes in a diploid organism were diploid, what would be the result? Group of answer choices The resulting zygote would undergo mitosis twice before dividing. The resulting zygote would be tetraploid. The resulting zygote would be aneuploid. The resulting zygote would be haploid.arrow_forwardThe process of meiosis occurs during the cell cycle production and results in four unique diploid four identical diploid cells four unique haploid cells four identical haploid cells . To maintain the correct number of chromosomes in offspring, male and female gametes contain the same number half of the number twice the number of chromosomes as somatic cells. During fertilization, gametes fuse to form a diploid haplid cell called a zygote.arrow_forward
- Meiosis The process of meiosis Meiosis is a special type of cell division necessary for the production of sex cells (gametes) for the purpose of sexual reproduction. 2N cell (diploid). N is the haploid number of chromosomes. Each chromosome is replicated. DNA replication precedes meiosis. If genetic mistakes (mutations) occur here, they will be passed on (inherited by the offspring). Crossing over has occurred. Meiosis involves a single chromosomal duplication followed by two successive nuclear divisions, and it halves the diploid chromosome number. Homologous chromosomes pair up. The pairs are separated. An overview of meiosis is shown on the right. Meiosis occurs in the sex organs of plants and animals. An intermediate cell forms with a replicated copy of each chromosome. Meiosis produces variation During meiosis, a process called crossing over may occur when homologous chromosomes may exchange genes. This further adds to the variation in the gametes. Chromatid The chromosomes line…arrow_forwardProphase I of meiosis is different from prophase in mitosis because The homologous chromosomes pair up and crossing over occurs in meiosis not mitosis. The nuclear envelopes do not disappear in meiosis as it does in mitosis. DNA replication occurs and the chromosomes condense in meiosis, but not in mitosis. OHomologous chromosomes are pulled apart in mitosis, but not in meiosis.arrow_forwardAfter telophase II of meiosis, the chromosomal makeup of each daughter cell is: Practia diploid, and the chromosomes are each composed of a single chromatid. O diploid, and the chromosomes are each composed of two chromatids. O haploid, and the chromosomes are each composed of a single chromatid. O haploid, and the chromosomes are each composed of two chromatids.arrow_forward
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