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A fertilized egg is blue print of future...

A fertilized egg is blue print of future development. Explain

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A fertilized egg divides mitotically to form number of cells. These cells show morphogenetic movements to arrange themselves in three germinal layers. This arrangement initiates the phases of differentiation and specialization . Different groups of cells of a particular germinal layer change their shape and get differentiated in to structures or organs of the individual All the cells with different developmental potentialities form the different organs (brain , eye, heart, skin etc. )
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TRUEMAN BIOLOGY-REPRODUCTION-SECTION-B
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  2. (i)Given below is a T.S. of an apple. Identify a,b and C (ii)Why is ...

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  3. A fertilized egg is blue print of future development. Explain

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  4. Describe the Lactational Amenorrhea method of birth control

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  5. A moss plant produces a large number of antherozoids but relatively on...

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  6. Mention the reasons for difference in ploidy of zygote and primary end...

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  7. How many haploid nuclei and haploid cells are present in the female ga...

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  8. Placenta acts as an endocrine gland. Explain.

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  9. The number of taxa exhibiting asexual reproduction is drastically redu...

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  10. Draw the sketches of a zoospore and conidia. Mention two dissimilariti...

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  11. Give below are the events that are observed in an artificial hybridiza...

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  12. Why most of the zygotes in angiosperms divide only after certain amoun...

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  13. Corpus luteum in pregnancy has a long life. However, if fertilisation ...

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  14. What are the events taking place in the ovary and uterus during follic...

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  15. Expland: FSH and LH. Mention one function each. .

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  16. The procedure of GIFT involves the transfer of female gamete to the fa...

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  17. Briefly explain IVF and ET. What are the conditions in which these met...

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  18. All reproductive tract infections RTIs are STDs, but all STDs are not ...

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  19. What do you understand by amniocentesis ? Why is there a statutory ba...

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  20. When and where do chorionic villi appear in humans ? State their funct...

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