1 Duye to the process of gastrilation three germinal layer viz ectroderm mesoderm and endoderm are formed 2 Cells of embroyonic knob become embroyonic disc which develop into embroyo due to gastrulatoin 3 Gastrulation is necessary for the formation of amniotic cavity which is filled with amniotic fluid
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Mathc column I with column II and select the correct option from the codes given below. {:("Column I","Column II"),("Hyaluronidase",(i)"Acrosomal reaction"),("corpus luteum",(ii)"Morphogenetic"),("Gastrulation","(Progesterone"),("Capacitation",(iv)"Mammary gland"),("Colostrum",(v)"Sperm activation"):}
Read the passage and answer the questions: Implantation is the embedding of the blastocyst into the endometrium of the uterus. Blastocyst is a ball of cells with a large, fluid-filled cavity called the blastocoel. The blastomeres in the blastocyst are arranged into an outer layer called trophoblast and inner cell mass. With the formation of blastocoel, morula is converted to blastula which is called blastocyst in mammals. Assertion (A): Blastocyst undergoes gastrulation to form three germinal layers. Reason (R): This involves cell movements (morphogenetic movement) that help to attain new shape and morphology of embryo.
