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MAJOR EVENTS DURING GASTRULATION -
1. There is rearrangement of cells due to morphogenetic movement of the cells of blastoderm.
2. The three primary germ layer get differentiated.
3. The cleavage rate is slowed down.
4. Growth if any, is insignificant.
5. Oxidation becomes, intensified so oxygen consumption increased and the nature of metabolism changes.
6. Nuclei become physiologically active and control activities of embryonic cells. The influence of paternal chromo- somes on the embryo becomes evident.
7. Synthesis of new kinds of proteins begins.
Chromosomal Type-Genetic basis of Sex Determination It refers to the condition where the genes involvcd in sex dcterrnincltion arc located on specific chromosomes known as the se
Minerals :- Iron Food Source Cereals, legumes, meat contamination from iron utensils and soil Nutritional Functional role Essential nutrient: Deficiency lead
Two gene loci, A and B, assort independently, and alleles A and B are dominant over alleles a and b. Indicate the probablilities of producing .... an AB phenotype from a cross AaBb
Q. Why can mitochondria be considered the power plants of the aerobic cells? Mitochondria are the "power plants" of aerobic cells because within them the final stages of the ce
Q. What is low - density lipoprotein receptor pathway? Ans. The increasing cellular free cholesterol generated regulates the activities of two enzymes that are of crucial
Blockage of ducts In some bulls there is a blockage of the transport of sperm through the epidydimis usually caused by a congenital non-patency of some part of the vasa effere
Define Vitamin A, Iron and Zinc required for elderly? Vitamin A, Iron and Zinc: The recommendation for iron is said to decrease in elderly women. Intake of vitamin E and zinc
A laboratory mouse homozygous for an RFLP marker is mated to a wild mouse that is heterozygous for that marker. One of the heterozygous individuals resulting from this cross is mat
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diff b/w protonephridia and metanephridia
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