Non-disjunction of an autosome during Anaphase II results in: Select one: a. Two normal gametes, 1...
Non-disjunction of an autosome during Anaphase II results in: Select one:
a. Two normal gametes, 1 diploid gamete, and one nullosome b. Two normal gametes, and two nullosomes c. Two diploid gametes, and one nullosome d. Two diploid gametes, and two nullosomes e. None of the above
Homework Answers
Non-disjunction of an autosome during Anaphase II results in:
a. Two normal gametes, 1 diploid gamete, and one nullosome
Explanation: Refer the diagram below (In the last row 1 diploid gamete, one nullosome and Two normal gametes, in that order)
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Non-disjunction of an autosome during Anaphase II results in:
Select one:
a. Two normal gametes, 1...
Question - Predict the types of gametes that are formed if non-disjunction of the Y chromosome...
Question - Predict the types of gametes that are formed if non-disjunction of the Y chromosome occurs in the 2nd division. Click on all the different possible gamete types of sperm that could be formed (in terms of the X and Y chromosome, assume that the gamete is normal, having one of all the other chromosome types) 1. X (normal) 2. Y (normal) 3. no X or Y (abnormal) 4. XY (abnormal) 5. YY (abnormal) 6. XX (abnormal)
2. Draw a 2n = 4 cell with one autosome and one X and one Y...
2. Draw a 2n = 4 cell with one autosome and one X and one Y chromosome during the following stages (5 points): (a) Anaphase 1 of meiosis, such that the X and Y chromosome are undergoing nondisjunction (b) Anaphase 2 of meiosis, such that the autosome is undergoing non-disjunction
A colorblind man married a normal woman. Their daughter who was phenotypically normal, married a normal...
A colorblind man married a normal woman. Their daughter who was phenotypically normal, married a normal man, and the couple had three kids – a normal boy, a color-blind boy, and a color-blind girl with Turner syndrome. Where does the non-disjunction occur? Select one: a. Allosome non-disjucntion during anaphase post-fertilization b. Allosome non-disjunction during anaphase I in the father c. Allosome non-disjunction during anaphase II in the mother d. X chromosome loss due to a translocation e. A and C
Gametes produced in a paracentric inversion heterozygote WITHOUT crossing over are: a. two gametes with deletions...
Gametes produced in a paracentric inversion heterozygote WITHOUT crossing over are: a. two gametes with deletions and/or duplications and two normal gametes b. one normal gamete, two with deletions and/or duplications and one with the inversion c. two gametes with the inversion and two normal gametes d. two gametes with the inversion and two with the deletion and/or duplications e. No normal gametes
8. (2pts) During one round of meiosis in a human male, a single non-disjunction event occurs...
8. (2pts) During one round of meiosis in a human male, a single non-disjunction event occurs in meiosis I that affects only chromosome 1. What are ALL the possible gametes produced from this one round of meiosis? (NOTE: in the answers '1' represents a single chromosome 1 chromatid, 'O' indicates no chromosome 1 chromatid; 'X' represents a single X chromatid, 'Y' represents a single y chromatid, each dash indicates separation between each gamete. 1X - 1X - 1Y - 1Y...
9. (2pts) During one round of meiosis in a human male, a single non-disjunction event occurs...
9. (2pts) During one round of meiosis in a human male, a single non-disjunction event occurs in meiosis that affects only chromosome 1. What are ALL the possible gametes produced from this one round of meiosis? (NOTE: in the answers '1' represents a single chromosome 1 chromatid, 'O' indicates no chromosome 1 chromatid; 'X' represents a single X chromatid, 'Y' represents a single y chromatid, each dash indicates separation between each gamete. 1X - 1X - 1Y - 1Y 11X...
Question 10 (1 point) During meiosis, sister chromatids separate during: a) anaphase II b) telophase II...
Question 10 (1 point) During meiosis, sister chromatids separate during: a) anaphase II b) telophase II Oc) telophase 1 d) anaphase 1 Question 11 (1 point) In the ABO blood group system, a) A is dominant to B, and B is dominant to O. b) A. B, and O are codominant. c) A, B, and O are incompletely dominant. d) A and B are codominant. e) O is incompletely dominant to A and B.
Quession 14 Which statement about mitosis is true? Select one a. DNA replication is completed in...
Quession 14 Which statement about mitosis is true? Select one a. DNA replication is completed in prophase. b. The chromosome number in the resulting cells is halved c. Two genetically identical daughter cells are formed. d Crossing over occurs during prophase e. It consists of two nuclear divisions. Quession 15 How does a nucleus in G2 difler from a nucleus in G17 Select one a. DNA synthesis occurs only in G1 phase. b Inactive cells are arrested only in G2...
QUESTION 1 A cell divides by mitosis. The result is: A. diploid gametes. B. two identical...
QUESTION 1 A cell divides by mitosis. The result is: A. diploid gametes. B. two identical daughter cells. C. haploid gametes. D.four identical daughter cells. E. somatic cells with a unique collection of alleles. QUESTION 2 line of the DNA it did during prophase I. During metaphase Il in meiosis, a cell contains i A. twice as much B. 1/2 OC. 1/4 D.four times as much E. the same amount QUESTION 3 A cell spends the majority of its time...
QUESTION 1: Identify the parentals from the following testcross results: 117 green pods, normal leaves 78...
QUESTION 1: Identify the parentals from the following testcross results: 117 green pods, normal leaves 78 green pods, curling leaves 115 yellow pods, curling leaves 80 yellow pods, normal leaves b and d only a c and d a and b only d a and c QUESTION 2: In meiotic nondisjunction, meiotic products can be n+1, n-1, or n depending on when nondisjunction occurs. If non disjunction occurs in Meiosis I, what is the outcome? two trisomic and two monosomic...
8. (2pts) During one round of meiosis in a human male, a single non-disjunction event occurs in meiosis I that affects only chromosome 1. What are ALL the possible gametes produced from this one round of meiosis? (NOTE: in the answers '1' represents a single chromosome 1 chromatid, 'O' indicates no chromosome 1 chromatid; 'X' represents a single X chromatid, 'Y' represents a single y chromatid, each dash indicates separation between each gamete. 1X - 1X - 1Y - 1Y...
9. (2pts) During one round of meiosis in a human male, a single non-disjunction event occurs in meiosis that affects only chromosome 1. What are ALL the possible gametes produced from this one round of meiosis? (NOTE: in the answers '1' represents a single chromosome 1 chromatid, 'O' indicates no chromosome 1 chromatid; 'X' represents a single X chromatid, 'Y' represents a single y chromatid, each dash indicates separation between each gamete. 1X - 1X - 1Y - 1Y 11X...
Question 10 (1 point) During meiosis, sister chromatids separate during: a) anaphase II b) telophase II Oc) telophase 1 d) anaphase 1 Question 11 (1 point) In the ABO blood group system, a) A is dominant to B, and B is dominant to O. b) A. B, and O are codominant. c) A, B, and O are incompletely dominant. d) A and B are codominant. e) O is incompletely dominant to A and B.
Quession 14 Which statement about mitosis is true? Select one a. DNA replication is completed in prophase. b. The chromosome number in the resulting cells is halved c. Two genetically identical daughter cells are formed. d Crossing over occurs during prophase e. It consists of two nuclear divisions. Quession 15 How does a nucleus in G2 difler from a nucleus in G17 Select one a. DNA synthesis occurs only in G1 phase. b Inactive cells are arrested only in G2...
QUESTION 1 A cell divides by mitosis. The result is: A. diploid gametes. B. two identical daughter cells. C. haploid gametes. D.four identical daughter cells. E. somatic cells with a unique collection of alleles. QUESTION 2 line of the DNA it did during prophase I. During metaphase Il in meiosis, a cell contains i A. twice as much B. 1/2 OC. 1/4 D.four times as much E. the same amount QUESTION 3 A cell spends the majority of its time...
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