Order the sequence of post-fertilization development: 1 blastocyst 2 morula 3 zy

Question

Order the sequence of post-fertilization development: 1 blastocyst 2 morula 3 zygote a) 1, 2, 3 b) 1, 3, 2 c) 2, 3, 1 d) 2, 1, 3 e) 3, 2, 1 5) During embryological development, an increase in cell number without an increase in cell size is known as a) Cleavage b) Blastulation c) Gastrulation d) Neurulation The importance of the acrosomal reaction is to a) thicken the uterine wall b) increase sperm production c) enhance differentiation of the testes and ovaries d) facilitate entry of sperm into the oocyte e) is necessary for entry into Phase II of meiosis

Explanation / Answer

4) 3,2,1(zygote, morula, blastocyst)

5) b) Blastulation

6) d) facilitate entry of sperm into the oocyte

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