List and describe the early stages of animal development,
beginning with fertilization. Then describe two similarities...
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Biology
List and describe the early stages of animal development,beginning with fertilization. Then describe two similarities andtwo differences between early plant and animal development.
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Solution Early embryonic development include three stages starting from fertilization then cleavage and blastula stage and then gastrulation Fertilization is the process in which an egg and sperm fuse to form a zygote Each of them contain one set of chromosomes Only one sperm must fuse with an egg so that offspring will have a diploid set of chromosomes In mammals a layer of extracellular matrix consisting of glycoprotein protect the egg is called zona pellucida When sperm binds to this layer a series of biochemical reactions occurs known as acrosomal reaction Acrosome contains digestive
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