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BAER'S LAW -
It was given by K.E. Von Baer. Von Baer was the first scientist who studied the embryology systematically.
According to it, in the embryonic development of an animal, the general characters are formed first and the special characters are formed in the last.
Karl Von baer called "Father of modern embryology".
In 1828 published "Developmental history of animal" and proposed that differentiation in eggs during development.
Afters Baer's law preformation theory derecognized.
Baer's law &
(i) During developent simple chracters firstly expressed than specific characters.
(ii) Very simple characters earlier seen than simple character.
(iii) Diffrerent species embryos are similar than these adults.
Alertness and sleep are dependent on the activity of the brain as a whole, although different levels of consciousness are determined primarily by areas of the brain stem. A key ana
S p e c i a l Uses Biogas Biogas is an important renewable energy resource for rural areas. Generation of bio-gas from dung and urine is a very simple and cost-effective
TYPES OF NURSING UNITS: The design of nursing unit should maximize the function of the unit by following its task. The design of nursing unit has also under gone a radical cha
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C h oice of transgenic animal First and foremost is the selection of animal species in which gene of interest is to be transferred. Whatever is the goal of production of tran
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parasitic adaptations
What are trends of the gametophyte in the evolution of plants? The tendency of the gametophyte evolution in plants has been towards the formation of gametes that are self-dete
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