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Thursday 6 December 2012

Eggs & Sperms

'Egg' for a biology student can be the female gamete* (*A mature haploid  germ cell that is able to unite with another of the opposite sex) that is called 'ovum' and also 'zygote' which is the ovum fused with the 'sperm' or the male gamete. 

Eggs, the female gametes have always got lots of bags and baggage (in the form of cytoplasm), they are non motile unlike the male gamete which is highly motile, energetic (mitochondria or the powerhouse of the cell finds a unique modification in the form of acrosome and cytoplasm is negligible). (Refer the link to see how sperms are formed, their structure etc.,)

One among the faculty members at Department of Zoology, Ranchi University is a great teacher. He explains everything very nicely. Sitting in his class can be a wonderful experience. Main Point: EGGS. I have a habit of straying away from the topic.

Never mind this is going to help for our better understanding of steps. He says egg/ovum is a miniature girl and sperm is miniature boy. 

Now, in India, girls are clad with jewellery in the form of earrings, rings, chains etc, they have considerable amount in their purses and whenever they will go out of station they will take with them as much that can be taken :D.

But guys, they prefer moving with their hands without goods. Traveling without goods makes them much motile, they can have easy movement, contrary to the girls who have to take a good care of their goods. This has got an opposite side too, girls make sure that they have enough of everything so that they can sustain themselves but boys cannot.

This aspect can be observed in social structure too. Example is the institution of Marriage. Girls move to live with the boys family. So it is she and her family, in most of the cases who are responsible socially for the initial supply of resources from money to everything (house hold goods, comforts etc) for the formation of a social entity- the family.

The entire earth can be seen in a grain of sand. It does not matter how small a thing is. You can hold infinity in a second. If you wish too.

In next blog post I will discuss, 'Eggs in Invertebrates.'

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