Chapter 21 (MC): Human Development and Genetics

Essentials of Anatomy & Physiology 6th Edition By Scanlon - Sanders

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Chapter 21 (MC): Human Development and Genetics

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

  1. Fertilization usually takes place in the:
a. vagina c. fallopian tube
b. uterus d. ovary

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 1

 

  1. A human zygote contains how many chromosomes?
a. 23 c. 46 pairs
b. 46 d. 23 pairs plus two sex chromosomes

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. When a zygote undergoes cleavage, the process involved is:
a. mitosis c. implantation
b. meiosis d. fertilization

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. A zygote begins a series of cell divisions called:
a. differentiation, and the process is mitosis c. differentiation, and the process is meiosis
b. cleavage, and the process is meiosis d. cleavage, and the process is mitosis

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. The early embryonic stage that is a solid sphere of cells is the:
a. morula, and the cells are all very similar
b. dermoblast, and the cells are all very similar
c. morula, and the cells are in three germ layers
d. dermoblast, and the cells are in three germ layers

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

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