DESCRIBE WHICH PLANT GENERATION IS DERIVED FROM SEEDS VS WHICH IS DERIVED FROM SPORES:
DESCRIBE WHICH PLANT GENERATION IS DERIVED FROM SEEDS VS WHICH IS DERIVED FROM SPORES:
Homework Answers
To answer this question, first carefully observe general life cycle of plants given above.
Now, there are two distinct phases in the life cycle of a plant, diploid sporophyte and haploid gametophyte.
In bryophytes, gametophyte is the dominant stage whereas in pteridophytes, gymnosperms and angiosperms, sporophyte is the dominant stage.
As per the given life cycle, we can see that, sporophyte stage in derived by the fusion of gametes from two different parents. Diploid sporophyte is developed by germination of diploid zygote.
Gametophyte stage is derived by spores. Spores are developed from sporophyte by meiosis.
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DESCRIBE WHICH PLANT GENERATION IS DERIVED FROM SEEDS VS
WHICH IS DERIVED FROM SPORES:
1. A pea plant with round seeds is crossed with a pea plant that has wrinkled...
1. A pea plant with round seeds is crossed with a pea plant that has wrinkled seeds. For the cross, indicate each of the following: a) the genotype of each of the parents if the dominant phenotype is heterozygous. b) What gametes will each parent produce c) if two round plants from the Fl generation are crossed, what would be the resulting genotypes and phenotypes of the F2 generation? Provide the Punnett square as well as your answer below.
Give an example of a compound that is derived from plant roots and describe its use.
Give an example of a compound that is derived from plant roots and describe its use.
Complete a dihybrid cross between a pea plant (plant 1) with white flowers and wrinkled seeds...
Complete a dihybrid cross between a pea plant (plant 1) with white flowers and wrinkled seeds with a plant (plant 2) with purple flowers and round seeds. Fill in the Punnett square between Plant 1 and Plant 2. Plant 2 is heterozygous for flower color and homozygous for seed color. What are the phenotypic ratios of the F1 generation? Phenotypes: purple flowers with round seeds: purple flowers with wrinkled seeds: white flowers with round seeds: white flowers with wrinkled seeds:...
At which point on the phylogenetic tree shown above did aiborne spores evolve? At which point...
At which point on the phylogenetic tree shown above did aiborne
spores evolve?
At which point on the phylogenetic tree shown above did
alternation of generations evolve?
At which point on the phylogenetic tree shown above did dominant
sporophyte generation evolve?
At which point on the phylogenetic tree shown above did flowers
evolve?
At which point on the phylogenetic tree shown above did seeds
evolve?
8 Angiosperms Gymnosperms Ferns and Horsetails Lycophytes Hornworts Mosses Liverworts Coleochaete and Chara
Label the figure below to describe the life cycle of a flowering plant. Sporophyte produces spores...
Label the figure below to describe the life cycle of a flowering plant. Sporophyte produces spores through meiosis Megaspores become embryo sacs Mature ovary becomes a fruit MEIOSIS FERTILIZATION diploid (2n) haploid (n) Double fertilization produces zygote and 3n endosperm nucleus Microspore becomes pollen grains Ovule becomes seed and endosperm is taken up by cotyledons
Question 14 2 pts What is the name of the structures where the spores are produced...
Question 14 2 pts What is the name of the structures where the spores are produced in this plant? Next → Question 23 2 pts In the diagram of the life cycle of a plant shown below, what is the name of the generation represented by letter 'A'? mitosis А. B fertilization Diploid Haploid D gametes spores mitosis с Ε Question 24 21 To which phylurte does this organism belong?
"Which of the following statements about gametes and spores is FALSE? a. In general, gametes and...
"Which of the following statements about gametes and spores is FALSE? a. In general, gametes and spores are unicellular and haploid, but gametes are more fragile than spores. b. Hyphate fungi that are growing under stable conditions tend to produce clonal spores so that genotypes are maintained without the loss of a successful combination of genes. c. In plants each spore from the same sporophyte can give rise to a genetically unique gametophyte; however fertilization of gametes from the same...
Stages in the life cycle of a plant Recall that plants have unique life cycles that...
Stages in the life cycle of a plant Recall that plants have unique life cycles that alternative between the sporophyte and gametophyte generation. For the list of events below, place them in order to describe the life cycle of the plant, beginning with the germination of a new plant. Then, decide which stages describe the sporophyte stages and which stages describe the gametophyte stages and label each accordingly. Drag the text blocks below into their correct order. The zygote develops...
Which plant adaptation evolved when plants transitioned to life on land? A. asexual spores for reproduction...
Which plant adaptation evolved when plants transitioned to life on land? A. asexual spores for reproduction B. chlorophyll for photosynthesis C. cell walls that surround the cells D. insoluble cuticles that cover leaves
37) Organisms whose cell walls are made of chitin and develops from spores or hyphal fragments...
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1. A pea plant with round seeds is crossed with a pea plant that has wrinkled seeds. For the cross, indicate each of the following: a) the genotype of each of the parents if the dominant phenotype is heterozygous. b) What gametes will each parent produce c) if two round plants from the Fl generation are crossed, what would be the resulting genotypes and phenotypes of the F2 generation? Provide the Punnett square as well as your answer below.
At which point on the phylogenetic tree shown above did aiborne
spores evolve?
At which point on the phylogenetic tree shown above did
alternation of generations evolve?
At which point on the phylogenetic tree shown above did dominant
sporophyte generation evolve?
At which point on the phylogenetic tree shown above did flowers
evolve?
At which point on the phylogenetic tree shown above did seeds
evolve?
8 Angiosperms Gymnosperms Ferns and Horsetails Lycophytes Hornworts Mosses Liverworts Coleochaete and Chara
Label the figure below to describe the life cycle of a flowering plant. Sporophyte produces spores through meiosis Megaspores become embryo sacs Mature ovary becomes a fruit MEIOSIS FERTILIZATION diploid (2n) haploid (n) Double fertilization produces zygote and 3n endosperm nucleus Microspore becomes pollen grains Ovule becomes seed and endosperm is taken up by cotyledons
Question 14 2 pts What is the name of the structures where the spores are produced in this plant? Next → Question 23 2 pts In the diagram of the life cycle of a plant shown below, what is the name of the generation represented by letter 'A'? mitosis А. B fertilization Diploid Haploid D gametes spores mitosis с Ε Question 24 21 To which phylurte does this organism belong?
"Which of the following statements about gametes and spores is FALSE? a. In general, gametes and spores are unicellular and haploid, but gametes are more fragile than spores. b. Hyphate fungi that are growing under stable conditions tend to produce clonal spores so that genotypes are maintained without the loss of a successful combination of genes. c. In plants each spore from the same sporophyte can give rise to a genetically unique gametophyte; however fertilization of gametes from the same...
Stages in the life cycle of a plant Recall that plants have unique life cycles that alternative between the sporophyte and gametophyte generation. For the list of events below, place them in order to describe the life cycle of the plant, beginning with the germination of a new plant. Then, decide which stages describe the sporophyte stages and which stages describe the gametophyte stages and label each accordingly. Drag the text blocks below into their correct order. The zygote develops...
37) Organisms whose cell walls are made of chitin and develops from spores or hyphal fragments a. bacteria b. protozoa c. fungi d. plant 39) Population of cells derived from a single cell is referred to as a/an a. cluster b. clone c. aggregate d. none of the above 17) Of the following which is known to be a unicellular fungus a. yeast b. algae c. ameba d. lichens 19) Insect vectors known to transfer disease to humans are known...
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