Somatic mosaics result from: a) chromosomes that do not replicate during S phase b) a byproduct...
Somatic mosaics result from:
a) chromosomes that do not replicate during S phase
b) a byproduct of polyploid fertilization
c) nondisjunction during meiosis
d) nondisjunction during mitosis after fertilization
e) nondisjunction during mitosis before fertilization
Homework Answers
d)
Somatic mosaics result from nondisjunction during mitosis after fertilization. Mosaicism syndromes can be caused due to above-mentioned reason in early fetal development. As a result of this, the organism evolves as a mixture of cell lines with differing ploidy.
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Somatic mosaics result from:
a) chromosomes that do not replicate during S phase
b) a byproduct...
Cells in the most adult bodis are in the restin state known as G0 phase. When...
Cells in the most adult bodis are in the restin state known as G0 phase. When can G0 phase be induced? Points: 1 Any time in the cell cycle. During G2 phase. During the mitotic phase. During the G1 phase. During S phase. The Gap 1, DNA synthesis, and Gap 2 phases of the cell cycle are collectively called Points: 1 prophase. interphase. prephase. mitosis. anaphase. Which of the following can produce an XYY individual after fertilization? Points: 1 Nondisjunction...
Alligators have 32 chromosomes in somatic cells. (a) How many homologous pairs of chromosomes OD (b)...
Alligators have 32 chromosomes in somatic cells. (a) How many homologous pairs of chromosomes OD (b) How many chromosomes are there in a haploid set? (c) How many chromosomes are present in a somatic cell just after mitosis? (d) How many double-stranded DNA molecules are there in a somatic cell just before mitosis?
nondisjunction of the sex chromosomes during meiosis 2 in human males during gametogenesis can result in...
nondisjunction of the sex chromosomes during meiosis 2 in human males during gametogenesis can result in all of the following complements in a gametes EXCEPT a. no sex chromosomes b. XX c. XY d. YY e. X
Cats are diploid organisms that have 38 chromosomes in their somatic cells during G1 phase. Based...
Cats are diploid organisms that have 38 chromosomes in their somatic cells during G1 phase. Based on this information, answer the following questions about the cell cycle of a cat's somatic cell: a) How many DNA double helix molecules are present in a somatic cell of a cat during G1 phase? Explain your answer. b) How many total DNA double helix molecules are present in a somatic cell of a cat during G2 phase? Explain your answer. c) Describe what...
When does the separation of homologous chromosomes occur? • O A. Meiosis 2 • O B....
When does the separation of homologous chromosomes occur? • O A. Meiosis 2 • O B. Before Meiosis • . C. Meiosis 1 D. After Meiosis Reset Selection If a cell has 24 pairs of chromosomes in its diploid state, how many chromosomes will it have after Meiosis 2? • • • • A. 24 B. 12 C. 48 D.6 Dan What structure is responsible for separating the chromosomes during Meiosis? A. Spindle Fibers B. Cytoplasm C. Metaphase plate •...
A somatic cell from a diploid species with 2n=4 (4 chromosomes or two sets of homologous...
A somatic cell from a diploid species with 2n=4 (4 chromosomes or two sets of homologous chromosomes) is undergoing mitosis. Draw the cell and chromosomes during G1, during G2, during metaphase, and the two cells that result from mitosis at the end. Label each stage in your drawing, and also label sister chromatids and homologous chromosomes as appropriate.
If you are working with a Kangaroo species in which each somatic cell contains 16 chromosomes....
If you are working with a Kangaroo species in which each somatic cell contains 16 chromosomes. How many sister chromatids are present in the early telophase of mitosis? Select one: a. O b. 16 C. 64 d.32 e. 8 Cancer cells are.............? Select one: a. Rapidly dividing body cells by mitosis b. Forming both haploid and diploid cells c Arrested in G1 phase of the cell cycle d. Arrested in Sphase of the cell cycle e. Rapidly dividing body cells...
underers meiosis, how many cells will result, 12) If a eukaryotic cell has 20 chromosomes and...
underers meiosis, how many cells will result, 12) If a eukaryotic cell has 20 chromosomes and and how many chromosomes will they contain? A) 4 cells, each with 20 chromosomes B) 4 cells, each with 10 chromosomes C) 2 cells, each with 10 chromosomes D) 2 cells, each with 20 chromosomes Answer: 13) Crossing over occurs during which stage of meiosis? A) telophase I B) metaphase II C) anaphase II D) prophase II E) prophase I Answer: 14) Which of...
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...
[Mitosis & Meiosis] Meiosis leads to daughter cells that have half the chromosomes as the phase...
[Mitosis & Meiosis] Meiosis leads to daughter cells that have half the chromosomes as the phase in meiosis is responsible for this reduction in chromosome numbe (A) Metaphase I (B) Prophase I1 (C) AnaphaseI (D) Metaphase II (E) Anaphase II pa
Alligators have 32 chromosomes in somatic cells. (a) How many homologous pairs of chromosomes OD (b) How many chromosomes are there in a haploid set? (c) How many chromosomes are present in a somatic cell just after mitosis? (d) How many double-stranded DNA molecules are there in a somatic cell just before mitosis?
Cats are diploid organisms that have 38 chromosomes in their somatic cells during G1 phase. Based on this information, answer the following questions about the cell cycle of a cat's somatic cell: a) How many DNA double helix molecules are present in a somatic cell of a cat during G1 phase? Explain your answer. b) How many total DNA double helix molecules are present in a somatic cell of a cat during G2 phase? Explain your answer. c) Describe what...
When does the separation of homologous chromosomes occur? • O A. Meiosis 2 • O B. Before Meiosis • . C. Meiosis 1 D. After Meiosis Reset Selection If a cell has 24 pairs of chromosomes in its diploid state, how many chromosomes will it have after Meiosis 2? • • • • A. 24 B. 12 C. 48 D.6 Dan What structure is responsible for separating the chromosomes during Meiosis? A. Spindle Fibers B. Cytoplasm C. Metaphase plate •...
If you are working with a Kangaroo species in which each somatic cell contains 16 chromosomes. How many sister chromatids are present in the early telophase of mitosis? Select one: a. O b. 16 C. 64 d.32 e. 8 Cancer cells are.............? Select one: a. Rapidly dividing body cells by mitosis b. Forming both haploid and diploid cells c Arrested in G1 phase of the cell cycle d. Arrested in Sphase of the cell cycle e. Rapidly dividing body cells...
underers meiosis, how many cells will result, 12) If a eukaryotic cell has 20 chromosomes and and how many chromosomes will they contain? A) 4 cells, each with 20 chromosomes B) 4 cells, each with 10 chromosomes C) 2 cells, each with 10 chromosomes D) 2 cells, each with 20 chromosomes Answer: 13) Crossing over occurs during which stage of meiosis? A) telophase I B) metaphase II C) anaphase II D) prophase II E) prophase I Answer: 14) Which of...
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...
[Mitosis & Meiosis] Meiosis leads to daughter cells that have half the chromosomes as the phase in meiosis is responsible for this reduction in chromosome numbe (A) Metaphase I (B) Prophase I1 (C) AnaphaseI (D) Metaphase II (E) Anaphase II pa
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