Question

- The hollow-ball stage in the development of an invertebrate embryo is known as the A) ectoderm c) blastula B) gastrula D) endoderm Questions 105 through 107 refer to the following: The diagram below represents selected steps occurring in human reproduction 0-9-9--0-C D) 7 2 3 105) Which number indicates a zygote? A) 5 B) 3 C) 2 106) Which number indicates the process that restores the 2n number of chromosomes? GA) 4 B) 8 C) 5 A D 1 107) Which number indicates the structure known as the blastula? A) 3 B) 7 3 C) 6 D) 2 108) Which process is represented by the diagram below? Perth non __109) com o seu A) fertilization C) vegetative propagation B) gametogenesis dones D) binary fission During meiotic cell division, the process in which homologous pairs of chromosomes sep and move apart is known as A) disjunction room C) regeneration B) binary fission D) internal fertilization

Answer 1

QUESTION 104

The correct answer is blastula. The blastula is one of the early stage during the development of the embryo. Before the formation of the blastula, the morula is formed. After that, the blastula will form the gastrula. During the blastula stage, the organisms posses only 64 cells and has hollow-ball shape.

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