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ERRORS IN FERTILIZATION -
1. Polyspermy - When more than one sperms are fused in an ovum, this condition is called polyspermy.
2. Polygynae - During oogenesis after the meiosis polar body I and II are not seperate, in this condition one male pronuclei fused to two female pronuclei. This condition is called polygynae.
3. Polyandry - When two male pronuclei fused with the one female pronuclei is called as polyandry, in this condition embryo is dead.
4. Gynogenesis - When sperm contact to the ova than ova is activated but pronuclei of sperm not fused to female pronuclei.
5. Partial fertilization - In this type of fertilization pronuclei of sperm fertilized to a blastomere.
6. Androgenesis - During fertilization process, pronuclei of ova if inactivated, during development process pronuclei of sperm participate.
Define the Redia Larva? Redia is the third larval stage in the life cycle of F. heputicn. Redia develops from the germ cell Is of the sporocyst and comes out of the sporoc
An A=T mispairing leads to an A=C substitution. The other DNA helix will contain a(n) __ pair. a. A=C b. A=T c. G=C d. B=Q e. T=T Can you also explain it please so if I'm ask
I need an idea for a Biology experiment
COMMON EQUINE DISEASES - 1 . INFLUENZA OR PINK EYE - Pink eyes. Swallon eye lids. 2. STRANGLES - Fever, dullness, depression, nasal discharge, lumpy a
Q. Do you know how ketoacidosis develops? The chain of reaction begins with insufficient insulin to meet the needs of the body. Several factors then work together. These inclu
Pomology : This is the study of fruits and fruit yielding plants of commercial importance. Pomology is a branch of botany which studies or cultivates pome fruit, and particularly
To study if bacteria grow better where it is dark or light Inoculate two sterile dishes as before. Label one 'dark' and the other 'light'. Place the 1st dish in a darkwarm plac
Which are specialized conductive tissues of the plants? Vascular tissues of the plants are the phloem and the xylem. The Xylem is the plant tissue that forms the vessels that c
Define Ion exchange chromatography? In this method a reversible exchange of ions is effected. Usually resins and ionic solutes are the two components involved in ion-exchange.
Define Extra enterocyte transfer - non haem iron absorption? Extra enterocyte transfer: Little is known about iron transport across the baso- lateral membrane. After crossing t
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