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The palisade cells of a species of plant contain 28 chromosomes. How many chromosomes will there in each gamete produced by the plant?
- a)4
- b)14
- c)28
- d)56
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The palisade cells of a species of plant contain 28 chromosomes. How m...
Palisade cells of leaves are somatic cells. Each gamete produced by the plant will have half the number of chromosomes present in a palisade cell i.e. 14 chromosomes.
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The palisade cells of a species of plant contain 28 chromosomes. How m...
Explanation:
The palisade cells of a plant contain 28 chromosomes. Chromosomes are the structures that carry genetic information in the form of genes. During the process of sexual reproduction, gametes are produced, which are the reproductive cells that combine during fertilization to form a new organism.
Chromosomes in gametes:
Gametes are formed through a process called meiosis. Meiosis is a type of cell division that reduces the number of chromosomes in a cell by half. In plants, meiosis occurs in the reproductive organs, such as the flowers.
During meiosis, the diploid cells (cells with two sets of chromosomes) undergo two rounds of division, resulting in the formation of four haploid cells (cells with one set of chromosomes). These haploid cells are the gametes.
Chromosome number in gametes:
Since the plant's palisade cells contain 28 chromosomes, which are diploid cells, the gametes produced by the plant will have a haploid number of chromosomes.
The haploid number of chromosomes is half the diploid number. Therefore, the number of chromosomes in each gamete will be:
28 chromosomes / 2 = 14 chromosomes
Therefore, the correct answer is option B) 14. Each gamete produced by the plant will contain 14 chromosomes.
Summary:
The palisade cells of a plant species contain 28 chromosomes. During the process of meiosis, which is involved in gamete formation, the chromosome number is reduced by half. Therefore, each gamete produced by the plant will have 14 chromosomes.
The palisade cells of a plant contain 28 chromosomes. Chromosomes are the structures that carry genetic information in the form of genes. During the process of sexual reproduction, gametes are produced, which are the reproductive cells that combine during fertilization to form a new organism.
Chromosomes in gametes:
Gametes are formed through a process called meiosis. Meiosis is a type of cell division that reduces the number of chromosomes in a cell by half. In plants, meiosis occurs in the reproductive organs, such as the flowers.
During meiosis, the diploid cells (cells with two sets of chromosomes) undergo two rounds of division, resulting in the formation of four haploid cells (cells with one set of chromosomes). These haploid cells are the gametes.
Chromosome number in gametes:
Since the plant's palisade cells contain 28 chromosomes, which are diploid cells, the gametes produced by the plant will have a haploid number of chromosomes.
The haploid number of chromosomes is half the diploid number. Therefore, the number of chromosomes in each gamete will be:
28 chromosomes / 2 = 14 chromosomes
Therefore, the correct answer is option B) 14. Each gamete produced by the plant will contain 14 chromosomes.
Summary:
The palisade cells of a plant species contain 28 chromosomes. During the process of meiosis, which is involved in gamete formation, the chromosome number is reduced by half. Therefore, each gamete produced by the plant will have 14 chromosomes.
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