Are diploid cells formed when a sperm fertilizes an egg? What do chromosomes do only once in mitosis and meiosis? Does cell division happen at the meristem? How many somatic cells are produced in mitosis? How do mitosis and meiosis differ?
Are all somatic cells produced by mitosis? How many diploid cells do humans have? How many sex chromosomes does a human somatic cell have? How many chromosomes will be found in each cell during prophase? How many non-somatic cells do humans have?
8 Cell division can be by meiosis or by mitosis.(a) (i) Where are cells dividing by meiosis found in a human?(7)□ A kidney□ B penis□ C skin□ D testis(i) Which part of a flowering plant is usually used to demonstrate cells dividing by mitosis?(1)□ A anther□ B cotyledon...
DNA synthesis, mitosis and ploidy of dividing cells were studied during 30 h after wounding around wounds inoculated with Agrobacterium tumefaciens, around sterile wounds and in control stems of Vicia faba. DNA synthesis was examined by counting nuclei labelled with 3H-thymidine in slides in which ...
To analyze the situation of cells with different chromosome numbers (16 and 32) found during the mitotic stage in a tissue, we can break down the reasoning step by step:1. Understanding Chromosome Numbers: - In the context o
The undifferentiated diploid germ cells, found in the basal compartment of the seminiferous tubule, are called type A spermatogonia. These go through several cycles of mitosis to produce further type A spermatogonia, which maintain the germ cell pool, and type B spermatogonia, which are committed ...
There are four stages of mitosis: prophase, metaphase, anaphase and telophase.1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3)Anap...
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Are all somatic cells produced by mitosis? Do germline cells create somatic cells? Can meiosis occur in somatic cells? Does a zygote produce somatic cells by mitosis? Are diploid cells formed when a sperm fertilizes an egg? Do all somatic cells have 46 chromosomes?
In sexual reproduction, haploid gametes unite infertilizationand become a diploid zygote. The zygote continues to divide by mitosis and develops into a fully functioning new individual. Daughter Cells and Chromosome Movement How do daughter cells end up with the appropriate number of chromosomes after...