In tobacco plant, the male gamete have 24 chromosomes. What is the number of
chromosomes in female gamete ? what is the number of chromosomes in zygote ?
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Answer:
Number of chromosomes in female gamete is 24, number of chromosomes in zygote is 48.
Explanation:
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Answer:
No. of Chromosomes in Female Gamete = 24
No. of Chromosomes in Zygote = 48
Explanation:
The number of chromosomes in male gamete and female gamete is the same and it is haploid in nature. The chromosome of the zygote s double than that of father or mother as it is diploid in nature. The sum of the chromosome of the father and mother is the chromosome number of the zygote.
The egg or female gamete cell is produced by the oogenesis process and the sperm or male gamete cell is produced by the spermatogenesis process.
After fertilization the zygote will form and have two sets of chromosomes, one set comes from each parent.
In a tobacco plant, there are 24 chromosomes present in a male gamete. It means the haploid number of chromosomes is 24 or n = 24.
As we know, an egg has also a haploid number of chromosomes, it means an egg has 24 number of chromosomes.
The zygote has a 2n number of chromosomes.
Thus, the zygote will have (2 * 24) = 48 numbers of chromosomes.
Hence; number of chromosomes in the female gamete is 24, and, the number of chromosomes in the zygote is 48.
Note:
Nicotiana tabacum, also known as cultivated tobacco, is an annually-grown herbaceous plant. It is found in cultivation, where it is the most commonly grown of all plants in the Genus: Nicotiana, and its leaves are grown in many countries to be processed into tobacco.
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