During cleavage in the frog egg Drarr a.cell division appearn b ce11 divinion mo

Question

During cleavage in the frog egg Drarr a.cell division appearn b ce11 divinion mor a. blastomeren are larger in the vegeta in the treg nore pronounced in the animal pole regLon Taars mhore pronounced in the pignented 10. The primitsvo streak in the homoloqu o neural tube neural eotoderm b. tused blastopore d. fused gastrocoel 11. The primitive streak develops in thie/these of egg (s) type (a) teloleeithal mesolecithal isolecithal a & b b. 12. The primitive streak results from a. lateral epiboly of epiblast cells b. lateral epiboly of hypoblast cel1s a. evagination of epiblast cells 13. In the avian egg cleavage occur in the germinal disk yolk d. blastocyst 14. A11 llowing are derived trom the lateral mesoderm EXCEPT a. axial skeleton c. somatic b. heart a. peritoneal linings 15. The human egg is classified as a. telolecithal b holoblastic c. meroblastic d. mesolecithal e. spiral 16. The neural plate a. develops from lateral epiboly endodermal cells b. results from constriction& elongation of epiblast cells c. develops similarly in birds and d. a,b &c; mammals. e. a&b; 1. epiboly of hypoblast toward the primitive streak. 2. epiboly of epiblast toward the primitive streak. 3. ingression of epiblast cells through the primitive 17. In mammals the embryonic mesoderm arises by groove 4. evagination from the epiblast laterally. a. 1&2 b. 2&3 c. 3&4 d. 1,2 &3 e.1 & c. blastocoe 13. In mammals the blastocyst consists of the d. a,b &ce.; b& c

Explanation / Answer

The answer for this question will be

D. A&C

As (a) is correct... There is more cell division in the animal pole than vegetal pole

(C) is also correct as blastomeres formed on the vegetal side are called macromeres as they are larger than those formed at the other side.

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