Homework Answers
Ans. (e) 11
Number 11 represents zygote, which will convert into embryo (1), which then further transforms into a diploid sporophyte (3). The sporophyte then produces spores (5) by meiosis (4). The spores then produces gametophyte (7). The ganetophyte produces gametes (9), which fertilizes to form zygote (11).
The following question refers to the generalized life cycle for land plants shown in the figure...
The following question refers to the generalized life cycle for land plants shown in the figure below. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents either meiosis, mitosis, or fertilization. 2n 94 and a. In the figure, the process labeled "2" represents b. Does this diagram represent the life cycle of a heterothallic plant? Explain why or why not.
2. The following questions refer to the generalized life cycle for land plants shown in the...
2. The following questions refer to the generalized life cycle for land plants shown in the figure. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents meiosis, mitosis, or fertilization. (Hint: "2" represents mitosis and "3" represents sporocyte) 2n 8 Fill out the following blanks. (15 points) (1). In the figure, represents the mature gametophyte. (2). In the figure, represents the mature sporophyte. (3). In the figure, represents...
What is the diploid number of chromosomes in this plant? _______________ ["2N=4", "N=8", "2N=16", "2N=8", "N=4",...
What is the diploid number of chromosomes in this plant?
_______________ ["2N=4", "N=8", "2N=16", "2N=8", "N=4", "N=16"]
Give the names of each stage of mitosis or meiosis shown in
the:
left panel:
________________ ["anaphase of meiosis I", "metaphase
of meiosis I", "prophase of meiosis II", "metaphase of mitosis",
"telophase of mitosis", "anaphase of meiosis II", "anaphase of
mitosis", "prophase of mitosis", "telophase of meiosis II",
"metaphase of meiosis II", "telophase of meiosis I", "prophase of
meiosis...
BIOL 1020 Homework Evolution & Natural Selection 4 NATURAL SELECTION: 1. In your OWN words, explain...
BIOL 1020 Homework Evolution & Natural Selection 4 NATURAL SELECTION: 1. In your OWN words, explain what natural selection is. What is required? What is the result? 2. True or false? For natural selection to work, a population must have genetic variation. Explain your answer. 3. List three sources of genetic variation in a population. Identify which sources are most important for asexually reproducing organisms. Which method is most important for sexually reproducing organisms? 4. List three mechanisms which cause...
51 Review questions: 1. Does the thallus contain vascular tisues? 2. 1s the thallus the gametophyte...
51 Review questions: 1. Does the thallus contain vascular tisues? 2. 1s the thallus the gametophyte or the sporophyte generation? 3. Where are the rhizoids located and what is their function? 4. Where is the pore located and what is its function? (similar to stoma in higher plants) 5. Is the gemmae cup a sexual or asexual reproductive structure? 6. Are gemmae haploid or diploid?_ 7. When rain splashes the gemmae out of the cup, what do they grow into?...
Simplify each expression. Thanks 4n 6 n-3 2n 7) a+4_6 2a +6 2 8) 9) x+5...
Simplify each expression. Thanks
4n 6 n-3 2n 7) a+4_6 2a +6 2 8) 9) x+5 x +3 10) 6 r-6 r+ 3
A plant species X with n=5 chromosomes was crossed with a related species Y with n = 7 chromosomes. The F1 hybrids produced only a few pollen grains, which were used to fertilize the ovules of related...
A plant species X with n=5 chromosomes was crossed with a related species Y with n = 7 chromosomes. The F1 hybrids produced only a few pollen grains, which were used to fertilize the ovules of related species Z with n=7 chromosomes. A few plants were produced from this cross, and all had 19 chromosomes. The F1 hybrids (with 19 chromosomes) were mated with related species W with n=11 chromosomes. A few plants were produced from the cross and all...
QUESTION 5 You cross want to create a new hybrid plant. You cross Plant 1 (2n=10)...
QUESTION 5 You cross want to create a new hybrid plant. You cross Plant 1 (2n=10) with Plant 2 (2n=14) and generate a generation of hybrid plants. Most of the hybrid plants are infertile, however, you do find a hybrid plant that is fertile. You reason that this plant must have undergone a non-disjunction event that now rendered it fertile. If your reasoning is correct, how many chromosomes does this fertile hybrid plant have? O a. 24 Ob. 12 O...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is a saprophyte D. It lives moist areas E. All the above are characteristics of the fungi C. It is a decomposer 7. Why is the relationship between most mycorhizal fungi and their host plants considered mutualistic? A. They live in close physical association. B. Both species benefit from the association. C. The host plant cannot live without the mycorhizae. D. The mycorhizae cannot live...
I need help answering questions #2-8. Experiment Interpretation Sheet 1. What is the chromosome number (2N)...
I need help answering questions #2-8.
Experiment Interpretation Sheet 1. What is the chromosome number (2N) that you have observed in Ae, aegypti mitotic chromosome preparations? 2. To what type of the chromosomes based on the centromere position do Ae, aegypti chromosomes belong? (circle one): metacentric submetacentric acrocentric telocentric 3. Which stage of mitosis do you think is more suitable for mapping? Why? 4. What is the chromosome number and the karyotype of An, gambiae and An. stephens? 5. What...
The following question refers to the generalized life cycle for land plants shown in the figure below. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents either meiosis, mitosis, or fertilization. 2n 94 and a. In the figure, the process labeled "2" represents b. Does this diagram represent the life cycle of a heterothallic plant? Explain why or why not.
2. The following questions refer to the generalized life cycle for land plants shown in the figure. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents meiosis, mitosis, or fertilization. (Hint: "2" represents mitosis and "3" represents sporocyte) 2n 8 Fill out the following blanks. (15 points) (1). In the figure, represents the mature gametophyte. (2). In the figure, represents the mature sporophyte. (3). In the figure, represents...
What is the diploid number of chromosomes in this plant?
_______________ ["2N=4", "N=8", "2N=16", "2N=8", "N=4", "N=16"]
Give the names of each stage of mitosis or meiosis shown in
the:
left panel:
________________ ["anaphase of meiosis I", "metaphase
of meiosis I", "prophase of meiosis II", "metaphase of mitosis",
"telophase of mitosis", "anaphase of meiosis II", "anaphase of
mitosis", "prophase of mitosis", "telophase of meiosis II",
"metaphase of meiosis II", "telophase of meiosis I", "prophase of
meiosis...
BIOL 1020 Homework Evolution & Natural Selection 4 NATURAL SELECTION: 1. In your OWN words, explain what natural selection is. What is required? What is the result? 2. True or false? For natural selection to work, a population must have genetic variation. Explain your answer. 3. List three sources of genetic variation in a population. Identify which sources are most important for asexually reproducing organisms. Which method is most important for sexually reproducing organisms? 4. List three mechanisms which cause...
51 Review questions: 1. Does the thallus contain vascular tisues? 2. 1s the thallus the gametophyte or the sporophyte generation? 3. Where are the rhizoids located and what is their function? 4. Where is the pore located and what is its function? (similar to stoma in higher plants) 5. Is the gemmae cup a sexual or asexual reproductive structure? 6. Are gemmae haploid or diploid?_ 7. When rain splashes the gemmae out of the cup, what do they grow into?...
Simplify each expression. Thanks
4n 6 n-3 2n 7) a+4_6 2a +6 2 8) 9) x+5 x +3 10) 6 r-6 r+ 3
QUESTION 5 You cross want to create a new hybrid plant. You cross Plant 1 (2n=10) with Plant 2 (2n=14) and generate a generation of hybrid plants. Most of the hybrid plants are infertile, however, you do find a hybrid plant that is fertile. You reason that this plant must have undergone a non-disjunction event that now rendered it fertile. If your reasoning is correct, how many chromosomes does this fertile hybrid plant have? O a. 24 Ob. 12 O...
6. Which is not a characteristic of fungi? A. Most are single celled B. It is a saprophyte D. It lives moist areas E. All the above are characteristics of the fungi C. It is a decomposer 7. Why is the relationship between most mycorhizal fungi and their host plants considered mutualistic? A. They live in close physical association. B. Both species benefit from the association. C. The host plant cannot live without the mycorhizae. D. The mycorhizae cannot live...
I need help answering questions #2-8.
Experiment Interpretation Sheet 1. What is the chromosome number (2N) that you have observed in Ae, aegypti mitotic chromosome preparations? 2. To what type of the chromosomes based on the centromere position do Ae, aegypti chromosomes belong? (circle one): metacentric submetacentric acrocentric telocentric 3. Which stage of mitosis do you think is more suitable for mapping? Why? 4. What is the chromosome number and the karyotype of An, gambiae and An. stephens? 5. What...
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