Homework Answers
Meiosis is reductional division where chromosome number get halved.i.e diploid cell become haploid.
In diploid organisms, diploid is restored by fertilisation. In these organisms male gamete (haploid) formed by meiosis get fertilised with female gamete (haploid) which is also formed by meiosis.
This can be shown as
Thus diploid number stored in
diploid organisms by sexual reproduction resulting in
fertilisation.
Sister chromatids are produced during S phase. Sister chromatids ensure that only one copy of each gene get into newly formed cell.
Synapsis means pairing of homologous chromosome during meiosis. It ensure segregation of chromosomes during meiosis 1 by establishing physical connection between homologous.
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Meiosis produces haploid gametes, how is the diploid number restored in diploid organisms? Sexual reproduction resulting...
Concept 13.2: Fertilization and meiosis alternate in sexual life cycles
Concept 13.2: Fertilization and meiosis alternate in sexual life cycles Chromosomes - karyotype - homologous chromosomes (homologs) - sex chromosomes vs. autosomes - haploid vs. diploid Life cycle (gametes/fertilization/zygote/adult) - meiosis Concept 13.3: Meiosis reduces the number of chromosome sets from diploid to haploid Meiosis 1 - Prophase 1 synapsis/crossing over
Part A The process of meiosis O begins with diploid cells and ends with haploid cells...
Part A The process of meiosis O begins with diploid cells and ends with haploid cells begins with haploid cells and ends with haploid cells O begins with haploid cells and ends with diploid cells O begins with diploid cells and ends with diploid cells Submit Request Answer Provide Feedback Chapter 10 Chapter 10 Question 18 - Multiple Choice Part A An advantage of sexual reproduction and melosis is that O organisms remain stable in a changing environment O mary...
The process of sexual reproduction versus several forms of parthenogenesis sexual reproduction haploid parthenogenesis diploid parthenogenesis...
The process of sexual reproduction versus several forms of parthenogenesis sexual reproduction haploid parthenogenesis diploid parthenogenesis meiosis meiosis automixis meiosis apomixis mitosis oocyte (immature female egg cell) spermatocyte (male sperm cell) oocyte oocyte female egg cell diploid zygote chromosome replication fuse with other oocyte haploid zygote (2n 2n diploid egg develops into diploid individual diploid zygote develops into haploid individual haploid (2n) diploid develops into diploid individual develops into diploid individual © Encyclopædia Britannica, Inc. Answer the questions below in...
produce haploid gametes; then those gametes can fuse to form a diploid zygote. 35. What is...
produce haploid gametes; then those gametes can fuse to form a diploid zygote. 35. What is another purpose of meiosis other than stated in the question above? 36. How many cell divisions are involved in meiosis? (two) Do the cells also go through 37. What are homologous chromosomes? Do they contain the same alleles (different 38. How do homologous chromosomes line up on the metaphase plate in meiosis 1? How do 39. Understand the basic steps of meiosis. Please use...
Review 8 Meiosis and Sexual Reproduction Use complete sentences.
Description Review 8 Meiosis and Sexual Reproduction Use complete sentences. 1. Summarize the role of meiosis in the human life cycle. 2. Compare sister chromatids to homologous chromosomes. 3. Identify two means by which meiosis results in genetically different gametes, and explain why this is important. 4. Compare the results/outcome of mitosis vs. meiosis. 5. How can a zygote can receive an abnormal chromosome number?
Double fertilization in an angiosperm produces a diploid zygote and a haploid polar nucleus. a diploid...
Double fertilization in an angiosperm produces a diploid zygote and a haploid polar nucleus. a diploid zygote and a diploid endosperm. a diploid embryo and a triploid zygote. a triploid embryo and a diploid endosperm. a diploid zygote and a triploid endosperm. Which of the following is the correct order of floral organs from the outside to the complete flower? petals-sepals-stamens-carpels sepals-stamens-petals-carpels spores-gametes-zygote-embryo sepals-petals-stamens-carpels male gametophyte-female gametophyte-sepals-petals Why is sexual reproduction important? It allows animals to conserve resources and reproduce...
please help! * Wmn one or ne Torrowing are TRUL regarding the process of meiosis I...
please help!
* Wmn one or ne Torrowing are TRUL regarding the process of meiosis I and NOT meiosis 11? A Chromosome number is reduced from diploid to haploid Sex Most homologue pairs have no crossovers during prophase C. Sister chromatids separate to opposite ends of the cell. D. Sister chromatids undergoing meiosis are always identical. 2. When does crossing over (synapsis) occur? A during prophase during fertilization. C. anaphase of mitosis. D. during prophase II. E. at the centromere
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This...
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This will produce daughter cells, each with __ _ chromosomes. 12. Crossing over occurs during this phase: 13. Tetrads line up along the equator during this phase: 14. At the end of meiosis I, daughter cells are created. These daughter cells are ( diploid | haploid ). 15. Meiosis creates what type of cell: Fill in the Blank with the proper phase of Meiosis (Interphase...
(Chapter 8-"Meiosis and Sexual Reproduction) 1. If the parent cell has 12 chromosomes (diploid number), how...
(Chapter 8-"Meiosis and Sexual Reproduction) 1. If the parent cell has 12 chromosomes (diploid number), how many chromosomes will each daughter cell have after meiosis? a. 48 b. 24 12 c. d. 6 None of the above e.
The diploid cell formed by the fertilization of the egg by the sperm during sexual reproduction...
The diploid cell formed by the fertilization of the egg by the sperm during sexual reproduction is a O monohybrid. O gamete. zygote. reciprocal. dihybrid. "You discover a cell that has 5 pairs of chromosomes. At the end of Meiosis 1how many chromosomes are in each cell? none of these 20 10 05 15
Part A The process of meiosis O begins with diploid cells and ends with haploid cells begins with haploid cells and ends with haploid cells O begins with haploid cells and ends with diploid cells O begins with diploid cells and ends with diploid cells Submit Request Answer Provide Feedback Chapter 10 Chapter 10 Question 18 - Multiple Choice Part A An advantage of sexual reproduction and melosis is that O organisms remain stable in a changing environment O mary...
The process of sexual reproduction versus several forms of parthenogenesis sexual reproduction haploid parthenogenesis diploid parthenogenesis meiosis meiosis automixis meiosis apomixis mitosis oocyte (immature female egg cell) spermatocyte (male sperm cell) oocyte oocyte female egg cell diploid zygote chromosome replication fuse with other oocyte haploid zygote (2n 2n diploid egg develops into diploid individual diploid zygote develops into haploid individual haploid (2n) diploid develops into diploid individual develops into diploid individual © Encyclopædia Britannica, Inc. Answer the questions below in...
produce haploid gametes; then those gametes can fuse to form a diploid zygote. 35. What is another purpose of meiosis other than stated in the question above? 36. How many cell divisions are involved in meiosis? (two) Do the cells also go through 37. What are homologous chromosomes? Do they contain the same alleles (different 38. How do homologous chromosomes line up on the metaphase plate in meiosis 1? How do 39. Understand the basic steps of meiosis. Please use...
Double fertilization in an angiosperm produces a diploid zygote and a haploid polar nucleus. a diploid zygote and a diploid endosperm. a diploid embryo and a triploid zygote. a triploid embryo and a diploid endosperm. a diploid zygote and a triploid endosperm. Which of the following is the correct order of floral organs from the outside to the complete flower? petals-sepals-stamens-carpels sepals-stamens-petals-carpels spores-gametes-zygote-embryo sepals-petals-stamens-carpels male gametophyte-female gametophyte-sepals-petals Why is sexual reproduction important? It allows animals to conserve resources and reproduce...
please help!
* Wmn one or ne Torrowing are TRUL regarding the process of meiosis I and NOT meiosis 11? A Chromosome number is reduced from diploid to haploid Sex Most homologue pairs have no crossovers during prophase C. Sister chromatids separate to opposite ends of the cell. D. Sister chromatids undergoing meiosis are always identical. 2. When does crossing over (synapsis) occur? A during prophase during fertilization. C. anaphase of mitosis. D. during prophase II. E. at the centromere
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This will produce daughter cells, each with __ _ chromosomes. 12. Crossing over occurs during this phase: 13. Tetrads line up along the equator during this phase: 14. At the end of meiosis I, daughter cells are created. These daughter cells are ( diploid | haploid ). 15. Meiosis creates what type of cell: Fill in the Blank with the proper phase of Meiosis (Interphase...
(Chapter 8-"Meiosis and Sexual Reproduction) 1. If the parent cell has 12 chromosomes (diploid number), how many chromosomes will each daughter cell have after meiosis? a. 48 b. 24 12 c. d. 6 None of the above e.
The diploid cell formed by the fertilization of the egg by the sperm during sexual reproduction is a O monohybrid. O gamete. zygote. reciprocal. dihybrid. "You discover a cell that has 5 pairs of chromosomes. At the end of Meiosis 1how many chromosomes are in each cell? none of these 20 10 05 15
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