1. What is the diploid number of an organism? 2. Somatic cells of an animal typi

Question

1. What is the diploid number of an organism? 2. Somatic cells of an animal typically have have the gametes of an organism typically have the be different if considering a plant? number of chromosomes and number of chromosomes, why might this! 3. How do the terms chromatin and chromatid differ? 4. List the major differences between mitosis and meiosis. 5. List the differences between oogenesis and spermatogenesis. 6. 2n-8? How many of the following would be seen (present) in the following stages for an organism with " dyads in prophase of mitosis *tetrads in prophase of mitosis **dyads in metaphase of mitosis tetrads in metaphase I of meiosis dyads in metaphase II of meilosis (each cell) * chromatids in prophase I of meiosis -* # of chromosomes in each gamete

Explanation / Answer

1.

Chromosome number in an organism which sexually generates is diploid or 2n(two chromosomes). These are Due le of the number of the haploid number in gametes.

3.

Chromatin refers to the combination of DNA and protein that forms the chromosomes. Chrome tin is structural makers of chromosomes.

On the other hand, chromatids are segments of DNA that are identical in the formation and structure. They are connected by the centromere.During the division of the cell, they are separated in order to create a new chromosome which is identical to the previous one.

4.

Mitosis: it is a replication or reproduction process. In this process, one parental cell forms two identical cell both are genetically similar.

Phases:

1. Prophase

2. Metaphase

3. Anaphase

4. Telophase

5. Cytokinesis

On the other hand, meiosis a form of cell division due to which decreases the number of chromosomes in the half and creates cells that are haploids. They are different from their parent cells genetically.

5.

Spermatogenesis refers to a process in which spermatozoa (haploid) created from cells(germ). They create in seminiferous tubule in testis.

On the other hand, oogenesis refers to the differentiation of ovum to development ready cell for fertilization. This process started in the embryonic stage.

6.

Dyad in prophase of mitosis are 8

Dyad in metaphase of mitosis are 8

Dyad in metaphase 2 in meiosis are 4

Chromatic in prophase 1 in meiosis 1 are 16

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