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Q: Why ovum is greater than polar bodies?
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How does an ovum differ from a polar body?

The major difference between the two is the amount of cytoplasm. The polar bodies have a lot less cytoplasm than an ovum has.


How many gametes are formed from one female germ cell?

Meiosis produces 4 genetically identical cells. However, in females, this only results in one gamete (called an ovum or egg) and 3 polar bodies which are smaller than the ovum.(In mammals one of the polar bodies usually disintergrates before division, in which case there would only be 2 polar bodies).


Is momentum of heavier bodies is greater than lighter bodies?

Yes.


Is CaCl2 nonpolar or polar?

It is polar because Cl has a much greater electronegativity than Cu.


How many chromsomes in an ovum and spermatid?

The ovum and spermatids are formed via meiosis (which occurs only in sex cells). From meiosis, four daughter cells are produced (in the female, three of these become polar bodies, rather than ova), each with 23 chromosomes (in humans) or the haploid number (n) in other organisms. This is significant as when fertilization occurs, the zygote (sperm + ovum) will have 46 chromosomes (or 23 pairs), the normal number for a human. So, both the ovum and spermatid are haploid sex cells (gametes), each with 23 chromosomes in humans.


Why is the polar front jet stream stronger in the winter than in the summer?

The polar jet is stronger in the winter than in the summer, due to the greater temperature contrast across the polar front.


Why is NBr3 a non-polar molecule?

If the difference in electronegativity is greater than 0.3 than it is Polar. Nitrogen and Bromine the difference is less than .3 so it is nonpolar


How does earths polar diameter compare with its equatorial diameter?

The equatorial diameter is greater than the polar diameter. The distance is about 30 miles. The equatorial diameter is about 7927 miles. The polar diameter is about 7900 miles.


How many planets celestial bodies are in a sample with more than one element?

It would be a number greater than 1.


Is MgO a polar covalent bond?

No. It is ionic because the electronegativity difference is greater than 1.7 (2.3).


How much bigger is an ovum cell than a human cell?

The ovum is in general a large cell. It is about the size of a dot made with an ink pen, and sometimes ova can be seen with the naked eye. Most cells are smaller than the ovum.


What bond will be expected to be more polar As Cl or As F?

As-F bonds should be more polar, because fluorine is the most electronegative of all elements.