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On Figure 3, fill in the blanks to indicate where meiosis, mitosis, and fer- dlization (events)...
1. Look at digure 6 and label the arrows that indicate where mitosis, meiosis and fertilization...
1.
Look at digure 6 and label the arrows that indicate where mitosis,
meiosis and fertilization occur
2. Identify the following structures where needed to be labeled.
-sporophyte -male gametophyte (pollen)
-female spores - sperm nucles
-female gametophyte - zygote
-egg - embryo
-male spores
DON Female sporangium Female cong 06 fonly one develops) (only one develops) Germinating pollen Seed Female gametangium (in) Figure 6. Pine life cycle
Plant Diversity The scales of the female cones bear ovules, which enclose the female sporangia. Cells...
Plant Diversity The scales of the female cones bear ovules, which enclose the female sporangia. Cells in the female sporangia also undergo meiosis to produce spores. One of the spores from each meiotic division develops into a female gametophyte by mitosis. As the pollen germinates and produces sperm nuclei by mitosis, the female gametophyte produces an egg. One sperm nucleus reaches the egg through the pollen tube and fertilizes it. Notice in Figure 6 that the male gametangium has been...
Complete Table 17.1 Life Cycle Comparisons. Summarize Your Observations by Adding Yes or No to Indicate...
Complete
Table 17.1 Life Cycle Comparisons. Summarize Your Observations by Adding Yes or No to Indicate if a Feature Is Found in a Group Characteristics Mosses Ferns Gymnosperms Angiosperms Airborne haploid spores | Haploid gametophyte Egg and sperm produced by mitosis Flagellated sperm Water-dependent fertilization Diploid sporophyte Dependent sporophyte Independent photosynthetic gametophye sporophyte Dependent gametophyte Independent photosynthetic gametophyte Spores produced by meiosis Ovules Pollen Embryo protected by seed coat (seeds) Seed within fruit Vascular tissues
SUMMARY – COMPARE MITOSIS AND MEIOSIS 1. What structures are present in the phases? How many?...
SUMMARY – COMPARE MITOSIS AND MEIOSIS 1. What structures are present in the phases? How many? (Use numbers like 2n, 1n, etc., and terms like dyads, tetrads, replicated chromosomes, chromatids, chromosomes, ...) Phase Mitosis Meiosis I Meiosis II Prophase Metaphase Anaphase Telophase Cytokinesis Ploidy level after all divisions of 2n cell Number & type of cells produced by division(s) Function in life cycle
CA SORUS in cross section PROTILALLIUM 7. ARCHEGONIUM 9. (generation) (RODRFAELon) Fill in the blanks on...
CA SORUS in cross section PROTILALLIUM 7. ARCHEGONIUM 9. (generation) (RODRFAELon) Fill in the blanks on the fern life cycle on the following page using the following terms. Sporangia, spore, sorus, frond, rhizome, roots, gametophyte, sporophyte, archegonia, antheridia, and egg. Indicate where mitosis occurs and when variation is introduced.
4. Complete the following table. Mitosis Meiosis MitosisMeiosis Synapsis (Yes or no Crossing over (When) Anaphase...
4. Complete the following table. Mitosis Meiosis MitosisMeiosis Synapsis (Yes or no Crossing over (When) Anaphase I results When do centromeres divide No. of divisions No. of cells resulting Anaphase II results No. of chromosomes in daughter cells Assume cell divisions are occurring on the arrows in this gen- eralized plant life cycle. Show where mitosis and meiosis occur. 5. Multicellular diploid plant Spore Multicellular haploid plant Starting with a diploid cell (A) that has 2 homologous chromo- somes (2N-2),...
Mitosis and Meiosis. 1. Draw a cell where 2n = 6 in each phase of Mitosis,...
Mitosis and Meiosis. 1. Draw a cell where 2n = 6 in each phase of Mitosis, Meiosis 1, and Meiosis 2. Be sure to clearly indicate what is going on with the 1-nuclear envelope, 2-centrosomes, 3-chromosomes in each of the stages. 2. For a diploid organism where 2n = 16, please indicate the number of chromosomes and chromatids at each of the Mitosis, Meiosis 1, Meiosis 2 stages.
arrange the following structures or prosses into a diagram showing the life cycle of a moss...
arrange the following structures or prosses into a
diagram showing the life cycle of a moss plant
1 What is meant by alternation of generations? alternation of generations between haploid and diploid the grocess their life that life Cycle cycle in alternate 2 What type of nuclear division is involved in the development of a sporophyte plant? Of the spores? meiosis ; Mitosis REVIEW QUESTIONS 3 Arrange the following structures or processes into a diagram showing the life cycle of...
Solve these 10 questions 11.Fill in the blanks. Suppose a cell at the end of S-phase...
Solve these 10 questions 11.Fill in the blanks. Suppose a cell at the end of S-phase has 48 chromatids. At the end of mitosis, each cell produced would have ______ chromosomes and ______ chromatids. 48, 96 24, 12 48, 48 24, 24 24, 48 12.Fill in the blanks. Suppose a cell at the beginning of meiosis has 36 chromosomes. This cell has ________ chromatids. At the end of meiosis, each of its "daughter cells" will have _________ chromosomes. 72, 18...
please fill in all blanks! thank you!! QUESTION 4 2n Review this figure from your lab...
please fill in all blanks! thank
you!!
QUESTION 4 2n Review this figure from your lab manual which gives an overview of alternation of generation and fill in the blanks in the following paragraph. In alternation of generation, plants form two different multicellular structures during their life cycle: a haploid structure called the structure produces reproductive cells called . These fuse (fertilize) to create a diploid structure produces reproductive cells called by the cell division process of and a diploid...
1.
Look at digure 6 and label the arrows that indicate where mitosis,
meiosis and fertilization occur
2. Identify the following structures where needed to be labeled.
-sporophyte -male gametophyte (pollen)
-female spores - sperm nucles
-female gametophyte - zygote
-egg - embryo
-male spores
DON Female sporangium Female cong 06 fonly one develops) (only one develops) Germinating pollen Seed Female gametangium (in) Figure 6. Pine life cycle
Plant Diversity The scales of the female cones bear ovules, which enclose the female sporangia. Cells in the female sporangia also undergo meiosis to produce spores. One of the spores from each meiotic division develops into a female gametophyte by mitosis. As the pollen germinates and produces sperm nuclei by mitosis, the female gametophyte produces an egg. One sperm nucleus reaches the egg through the pollen tube and fertilizes it. Notice in Figure 6 that the male gametangium has been...
Complete
Table 17.1 Life Cycle Comparisons. Summarize Your Observations by Adding Yes or No to Indicate if a Feature Is Found in a Group Characteristics Mosses Ferns Gymnosperms Angiosperms Airborne haploid spores | Haploid gametophyte Egg and sperm produced by mitosis Flagellated sperm Water-dependent fertilization Diploid sporophyte Dependent sporophyte Independent photosynthetic gametophye sporophyte Dependent gametophyte Independent photosynthetic gametophyte Spores produced by meiosis Ovules Pollen Embryo protected by seed coat (seeds) Seed within fruit Vascular tissues
CA SORUS in cross section PROTILALLIUM 7. ARCHEGONIUM 9. (generation) (RODRFAELon) Fill in the blanks on the fern life cycle on the following page using the following terms. Sporangia, spore, sorus, frond, rhizome, roots, gametophyte, sporophyte, archegonia, antheridia, and egg. Indicate where mitosis occurs and when variation is introduced.
4. Complete the following table. Mitosis Meiosis MitosisMeiosis Synapsis (Yes or no Crossing over (When) Anaphase I results When do centromeres divide No. of divisions No. of cells resulting Anaphase II results No. of chromosomes in daughter cells Assume cell divisions are occurring on the arrows in this gen- eralized plant life cycle. Show where mitosis and meiosis occur. 5. Multicellular diploid plant Spore Multicellular haploid plant Starting with a diploid cell (A) that has 2 homologous chromo- somes (2N-2),...
arrange the following structures or prosses into a
diagram showing the life cycle of a moss plant
1 What is meant by alternation of generations? alternation of generations between haploid and diploid the grocess their life that life Cycle cycle in alternate 2 What type of nuclear division is involved in the development of a sporophyte plant? Of the spores? meiosis ; Mitosis REVIEW QUESTIONS 3 Arrange the following structures or processes into a diagram showing the life cycle of...
please fill in all blanks! thank
you!!
QUESTION 4 2n Review this figure from your lab manual which gives an overview of alternation of generation and fill in the blanks in the following paragraph. In alternation of generation, plants form two different multicellular structures during their life cycle: a haploid structure called the structure produces reproductive cells called . These fuse (fertilize) to create a diploid structure produces reproductive cells called by the cell division process of and a diploid...
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