Site Loader

p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 14.0px; font: 12.0px ‘Times New Roman’; color: #000000; -webkit-text-stroke: #000000; min-height: 15.0px}
p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 14.0px; font: 12.0px ‘Times New Roman’; color: #000000; -webkit-text-stroke: #000000}
p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 14.0px; font: 12.0px ‘Times New Roman’; color: #252525; -webkit-text-stroke: #252525; min-height: 15.0px}
li.li1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 14.0px; font: 12.0px Times; color: #000000; -webkit-text-stroke: #000000}
span.s1 {-webkit-text-stroke: 0px #000000}
span.s2 {font-kerning: none}
span.s3 {font: 12.0px ‘Times New Roman’; font-kerning: none}
span.s4 {font-kerning: none; color: #252525; -webkit-text-stroke: 0px #252525}
span.s5 {font: 12.0px Times; font-kerning: none}
ol.ol1 {list-style-type: lower-alpha}

Why are sperm small and mobile and why are eggs large and immobile?  Answer – sperms are small and mobile because of the tail that is attached to the head   called flagellum   and due their  small size ,  they can swim better.  As egg cells are bigger than a sperm cell but they don’t have any tail or Eggs don’t  go out of  a woman’s reproductory system , so they  do not need to have any mobile factors.

We Will Write a Custom Essay Specifically
For You For Only $13.90/page!


order now

b. Why do males produce so many sperm, and females produce so few eggs?
 Answer- males do produce so many sperms but females produce so few eggs because of sperm competition , to fertilize the egg but  one ovum is generally produced per month (Alberts et al. 2002). If more eggs were generated more offspring will born at a time which leads to the death of  mother 

c. What are the functions of the various parts of the sperm (tail, mitochondria, head, acrosome)? Answer – The head of the sperm –  the acrosome and nucleus.  (This  nucleus delivers half of the genetic information and The acrosome release digestive enzymes ) The mid-piece of the sperm contains the mitochondrion(give power to the cell(Alberts et al. 2002)).The tail of the sperm contains the axial filaments ( help sperms  to move (Alberts et al. 2002).)

Post Author: admin

x

Hi!
I'm Stuart!

Would you like to get a custom essay? How about receiving a customized one?

Check it out