22. Eggs with very little yolk that is evenly distributed in the egg are called

Question

22. Eggs with very little yolk that is evenly distributed in the egg are called A. mesolecithal. holoblastic. isolecithal. telolecithal. 23. In nearly all metazoa, "germ lavers" is a term that describes the germ cells. cem mesoderm, ectoderm and endoderm.. foreign cells that enter the embryonic process D. the germ line, in contrast to the somatic or body cells 24. Perhaps half of the U.S. population is infected with this organism that normally resides in tissue cysts containing bradyozoites; embryos of preg A. Amoeba proteus B. Plasmodium vivax nt women are also at risk. cals na Trypanosoma cruzi D.Toxoplasma gondii 25, The difference between schizocoelous and enterocoelus organisms is A. no difference at all; they are two names for the same eucoelomate structure. difference in how the true coelom forms from mesoderm, from the gut or blastopore region. the difference between a pseudocoelom and a true coelom. D a difference between a split two-chambered coelom and an intact or enterocoelom. 26. Neighboring cells influence the development of each other, either by direct contact or by production of chemical signals, in neurulation. induction. C. maternal determinants. D. homeotic pattern formation. 27. At which stage do we begin to see development of the mesoderm germ layer? Gastrulation B. Neurulation C. Blastulation D. Cleavage 28. What is character similarity that results from common embryology, and therefore ancestry, called? A. analogy B. taxonomy homology phylogeny

Explanation / Answer

22) isolecithal

23) mesoderm,ectoderm ,endoderm

24)T.gondii

25)b option is correct.

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