Which of the following would NOT lead to aneuploidy during meiosis? a.) sister chromatids segregating inappropriately...
Which of the following would NOT lead to aneuploidy during meiosis?
a.) sister chromatids segregating inappropriately
b.) a reciprocal rearrangement of parts between nonhomologous chromosomes (for example, the left arm of Chromosome 2 exchanging places with the right arm of Chromosome 3)
c.) nonsister chromatids segregating inappropriately
d.) an extra set of chromosomes produced during S phase (for example, if paternal Chromosome 3 were replicated twice)
Homework Answers
Correct answer is option B.
A reciprocal rearrangement of parts between nonhomologous chromosomes (for example the left arm of chromosome 2 exchanging places with the right arm of chromosome 3).
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Which of the following would NOT lead to aneuploidy during
meiosis?
a.) sister chromatids segregating inappropriately...
7. During meiosis II, Points: 1 @ sister, chrom sister chromatids of each chromosome are separated...
7. During meiosis II, Points: 1 @ sister, chrom sister chromatids of each chromosome are separated from each other. cytokinesis results in the formation of a total of two cells. (C) homologous chromosomes separate. sister chromatids exchange parts. E) homologous chromosomes pair up. 10 Shown below is a cell under going of meiosis. Points: 1 prophase II telophase telophase II prophase
5. Which of the following is true about meiosis? A. Sister chromatids are pulled apart during...
5. Which of the following is true about meiosis? A. Sister chromatids are pulled apart during anaphase I B. Sister chromatids are pulled apart during anaphase II 6. In which stage of prophase I do homologous chromosomes begin to pair (synapsis begins)? A. leptotema B. zygonema C. pachynema D. diplonema E. diakinesis 7. Which of the following is true about sex-determining chromosomes? A) They are independent during meiosis. B) They do not participate in meiosis. C) They act like homologous...
Sister chromatids separate from each other during meiosis II only mitosis and meiosis I mitosis and...
Sister chromatids separate from each other during meiosis II only mitosis and meiosis I mitosis and meiosis II meiosis I only QUESTION 25 Which of the following occurs in meiosis but not in mitosis? chromosome replication alignment of chromosomes at the equator synapsis of chromosomes condensation of chromosomes
7. What are chiasmata in a nucleus going through meiosis? a. they are sites where non-sister...
7. What are chiasmata in a nucleus going through meiosis? a. they are sites where non-sister chromatids can exchange genetic material during meiosis. b. they are sites where sister chromatids can exchange genetic material during meiosis. c. they ensure that homologous chromosomes remain homologous after meiosis. d. they increase genetic variation among the products of mitosis. e. they prevent sister chromatids from separating. 8. A chromatid is: a. one of the pairs of homologous chromosomes. b. a homologous chromosome. c....
QUESTION 45 During meiosis I in humans, each daughter cell receives a. a sister chromatid from...
QUESTION 45 During meiosis I in humans, each daughter cell receives a. a sister chromatid from each chromosome. b.one-fourth the amount of DNA that is in the parent nucleus. c. a mixture of maternal and paternal chromosomes. d.only maternal chromosomes. e. the same number of chromosomes as that of a diploid cell. QUESTION 41 Replication of DNA in a eukaryotic cell occurs during a. prophase. b. G2 phase. c. M phase. d. S phase. e. G1 phase.
Name: Mitosis vs. Melosis Period Date: QUESTION 1 concept map comparing mitosis and meiosis. Use ...
Name: Mitosis vs. Melosis Period Date: QUESTION 1 concept map comparing mitosis and meiosis. Use the following te rms, each term can be diploid cell, one cell division, four haploid cells, parent ce cell divisions, body cell, same, chromosomes & cell, half, two diploid cells, forms haploid cell Use used one or more times: ll, two 2. Define homokgous chromosome 3. Define sister chromatids 4. Describe 2 parts of meiosis that are similar to mitosis. a. b. 5. Identify whether...
6. (8pts) A. The following three boxes show one pair of sister chromatids during spindle formation....
6. (8pts) A. The following three boxes show one pair of sister chromatids during spindle formation. What are the identities of Structures A & B? A- B- B. Please draw spindle microtubules to connect appropriate combinations of Structures A & B to show: -2 different examples of unstable attachments 1 example of a stable attachment ready to pass through the metaphase-anaphase transition Unstable -Example 1 Unstable Example 2 Stable C. How is an unstable vs. stable attachment sensed by the...
Can someone please check my answer? Understanding chromosome number and behavior during cell division is an...
Can someone please check my answer? Understanding chromosome number and behavior during cell division is an important concept in genetics. Fill out the chart below for each phase of mitosis in terms of N (where N = haploid number). For example, humans have a haploid number of 23. There are 46 chromosomes (2N) present in prophase of mitosis. Each chromosome is present in its replicated form (i.e. as sister chromatids) so there will be 2 chromatids per chromosome and the...
6. (8pts) A. The following three boxes show one pair of sister chromatids during spindle formation. What are the identities of Structures A & B? A- B- B. Please draw spindle microtubules to conne...
6. (8pts) A. The following three boxes show one pair of sister chromatids during spindle formation. What are the identities of Structures A & B? A- B- B. Please draw spindle microtubules to connect appropriate combinations of Structures A & B to show: -2 different examples of unstable attachments 1 example of a stable attachment ready to pass through the metaphase-anaphase transition Stable Unstable - Example 1 Unstable - Example 2 A B A B C. How is an unstable...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes in new cells to half the number in the original cell. The parent cell is diploid (2n), and it begins meiosis with a replicated set of chromosomes. During meiosis, this parent cell Homologou will divide twice to create four haploid (1n) cells. pairs During prophase I of meiosis I, homologous pairs of chromosomes pair up and stick together to form tetrads through the process...
7. During meiosis II, Points: 1 @ sister, chrom sister chromatids of each chromosome are separated from each other. cytokinesis results in the formation of a total of two cells. (C) homologous chromosomes separate. sister chromatids exchange parts. E) homologous chromosomes pair up. 10 Shown below is a cell under going of meiosis. Points: 1 prophase II telophase telophase II prophase
Sister chromatids separate from each other during meiosis II only mitosis and meiosis I mitosis and meiosis II meiosis I only QUESTION 25 Which of the following occurs in meiosis but not in mitosis? chromosome replication alignment of chromosomes at the equator synapsis of chromosomes condensation of chromosomes
QUESTION 45 During meiosis I in humans, each daughter cell receives a. a sister chromatid from each chromosome. b.one-fourth the amount of DNA that is in the parent nucleus. c. a mixture of maternal and paternal chromosomes. d.only maternal chromosomes. e. the same number of chromosomes as that of a diploid cell. QUESTION 41 Replication of DNA in a eukaryotic cell occurs during a. prophase. b. G2 phase. c. M phase. d. S phase. e. G1 phase.
Name: Mitosis vs. Melosis Period Date: QUESTION 1 concept map comparing mitosis and meiosis. Use the following te rms, each term can be diploid cell, one cell division, four haploid cells, parent ce cell divisions, body cell, same, chromosomes & cell, half, two diploid cells, forms haploid cell Use used one or more times: ll, two 2. Define homokgous chromosome 3. Define sister chromatids 4. Describe 2 parts of meiosis that are similar to mitosis. a. b. 5. Identify whether...
6. (8pts) A. The following three boxes show one pair of sister chromatids during spindle formation. What are the identities of Structures A & B? A- B- B. Please draw spindle microtubules to connect appropriate combinations of Structures A & B to show: -2 different examples of unstable attachments 1 example of a stable attachment ready to pass through the metaphase-anaphase transition Unstable -Example 1 Unstable Example 2 Stable C. How is an unstable vs. stable attachment sensed by the...
6. (8pts) A. The following three boxes show one pair of sister chromatids during spindle formation. What are the identities of Structures A & B? A- B- B. Please draw spindle microtubules to connect appropriate combinations of Structures A & B to show: -2 different examples of unstable attachments 1 example of a stable attachment ready to pass through the metaphase-anaphase transition Stable Unstable - Example 1 Unstable - Example 2 A B A B C. How is an unstable...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes in new cells to half the number in the original cell. The parent cell is diploid (2n), and it begins meiosis with a replicated set of chromosomes. During meiosis, this parent cell Homologou will divide twice to create four haploid (1n) cells. pairs During prophase I of meiosis I, homologous pairs of chromosomes pair up and stick together to form tetrads through the process...
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