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The cell nucleus was discovered by Robert Brown in 1831. ... Augustinian priest and scientist, and is often called the father of genetics for his study of Cell.

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How many chromosomes are in a sperm cell compared to a skin cell?

In a healthy person with no genetic disorders, there will be double the number of chromosomes in a skin cell versus an egg cell. This is because a skin cell is a somatic (non-sex) cell and is diploid (2 sets of chromosomes - 1 from the mother and 1 from the father). An egg cell is a sex cell and is haploid (only contains 1 set of chromosomes - the mother). When combined with a sperm cell (the other set from the father), a zygote results which is now diploid (having one set from both parents).


The gamete that contains genes contributed only by the mother is?

The egg cell or ovum contains genes contributed only by the mother. During fertilization, the egg cell combines with a sperm cell, which contributes genes from the father, to form a zygote with genetic material from both parents.


What does a sperm cell contribute to an embryo?

A sperm cell contributes half of the genetic material needed for the embryo, including the father's DNA. Additionally, the sperm cell's mitochondria are typically discarded during fertilization, so the embryo mainly relies on the egg cell for its cellular organelles.


What is the job of sperm cell?

The job of a sperm cell is to fertilize an egg cell, resulting in the creation of a new organism. Sperm cells contain genetic material from the father that combines with the genetic material from the mother's egg to form a new individual.


Who is the father of disease pathology?

Rudolf Virchow, a German physician, is often referred to as the father of modern pathology. He pioneered the concept of cell theory and made significant contributions to the understanding of disease processes through his work on cellular pathology.