CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
Chapter 8, Problem 5TYK
A fruit fly somatic cell contains 8 chromosomes. This means that _____ different combinations of chromosomes are possible in its gametes.
a. 8
b. 16
c. 32
d. 64
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Consider a diploid cell from an unknown organism that undergoes meiosis. The four gametes produced have 8, 8, 7, and 5 chromosomes. When did nondisjunction occur?
a.
Only meiosis I
b.
Mitosis
c.
Meiosis I and II
d.
Nondisjunction did not occur
e.
Only meiosis II
Clear my choice
The picture depicts what stage of MEIOSIS?
a. metaphase 1
b. metaphase Il
c. prophase 1
d. prophase II
Select an answer and submit. For keyboard navigation, use the up/down arrow keys
select an answer.
a
b.
The picture represent mitotic division.
Cells represented in stage 2 are:
a. haploid cells
b. polyploid cells
c. gametes
d. somatic cells
Chapter 8 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a grasshopper contains 24...Ch. 8 - Which of the following is not a function of...Ch. 8 - It is difficult to observe individual chromosomes...Ch. 8 - A fruit fly somatic cell contains 8 chromosomes....Ch. 8 - If a fragment of a chromosome breaks off and then...Ch. 8 - Which of the following phases of mitosis is...Ch. 8 - A biochemist measured the amount of DNA in cells...Ch. 8 - A micrograph of a dividing cell from a mouse...Ch. 8 - Cytochalasin B is a chemical that disrupts...
Ch. 8 - Why are individuals with an extra chromosome 21,...Ch. 8 - In the light micrograph below of dividing cells...Ch. 8 - An organism called a plasmodial slime mold is one...Ch. 8 - Prob. 14TYKCh. 8 - Discuss the factors that control the division of...Ch. 8 - Compare cytokinesis in plant and animal cells. In...Ch. 8 - Sketch a cell with three pairs of chromosomes...Ch. 8 - Suppose you read in the newspaper that a genetic...Ch. 8 - Bacteria are able to divide on a faster schedule...Ch. 8 - Prob. 20TYKCh. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - What you think of as a banana is a Cavendish, one...Ch. 8 - SCIENTIFIC THINKING The study described in Module...
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- A cell has 8 chromosomes in metaphase II of meiosis. How many chromosomes and DNA molecules will be present per cell in this same organism at the following stages? a. Prophase of mitosis b. Metaphase I of meiosis c. Anaphase of mitosis d. Anaphase II of meiosis e. Anaphase I of meiosis f. After cytokinesis that follows mitosis g. After cytokinesis that follows meiosis IIarrow_forwardappear during various stages of either mitosis or meiosis, and answer the following questions. 45. Refer to the drawings in Figure 13.2 of a single pair of homologous chromosomes as they might II II IV VI Figure 13.2 Which diagram represents prophase I of meiosis? a. b. v II d. IV e. VI c. 46. If a cell does not receive a go ahead signal at the Gl checkpoint in the cell cycle then it will a. proceed on to the "S" phase b. go directly to jail c. proceed to mitosis d. enter a nondividing state called the Go phase DO not pass GO. DO not collect $200 47. When T2 phages infect bacteria and make more viruses in the presence of radioactive phosphorus, what is the result? The bacterial DNA will be radioactive. The viral DNA will be radioactive. The boacterial DNA will be radioactive. The viral DNA will be radioactive. The viral proteins will be radioactive. b. c. The viral DNA will be radioactive. d. e. The viral proteins will be radioactive. 48. Each amino acid attaches to its proper tRNA…arrow_forwardHow many chromatids are visible in a human cell at the start of anaphase I? a. 23 c. 92 b. 46 d. 184arrow_forward
- A cell has 8 chromosomes in G1 of interphase. Draw a picture of this cell with its chromosomes at the following stages. Indicate how many DNA molecules are present at each stage. a. Metaphase of mitosis b. Anaphase of mitosis c. Anaphase II of meiosis d. Diplotene of meiosis Iarrow_forwardA cell in G1 of interphase has 12 chromosomes (2 n = 12). How many chromosomes and DNA molecules will be found per cell when this original cell progresses to the following stages? a. G2 of interphase b. Metaphase I of meiosis c. Prophase of mitosis d. Anaphase I of meiosis e. Anaphase II of meiosis f. Prophase II of meiosis g. After cytokinesis following mitosis h. After cytokinesis following meiosis IIarrow_forwardWhich phase of meiosis reduces the chromosomenumber?a. prophase I c. anaphase Ib. prophase II d. anaphase IIarrow_forward
- If a typical diploid somatic cell has 32 chromosomes, how many chromosomes are expected in each gamete of that organism? A. 32 B. 46. C. 64 D. 16 E. 0arrow_forwardConsider a diploid cell from an unknown organism that undergoes meiosis. The four gametes produced have 8, 8, 7, and 5 chromosomes. When did nondisjunction occur? a.Meiosis I and II b.Only meiosis I c.Mitosis d.Only meiosis II e.Nondisjunction did not occurarrow_forwardAll of the following is significant application of mitosis except. a. Cloning b. Budding c. Formation of Gametes d. Stem Cell Regeneration If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochorearrow_forward
- If an organism has gametes with 18 chromosomes, we know that each of his somatic cells will have __________chromosomes. a. 36 b. 32 c. 18 d. 9arrow_forwardWhat phase of mitotic interphase is missing from meiotic interkinesis? a. G0 phase b. G1 phase c. S phase d. G2 phasearrow_forwardAt which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase II c. anaphase I d. anaphase IIarrow_forward
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