Test Bank for Principles of Development 6th Edition by Lewis Wolpert
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Test Bank for Principles of Development 6e 6th edition by Lewis Wolpert, Cheryll Tickle, and Alfonso Martinez Arias. ISBN-13: 0569
Full Chapters test bank included
1:History and basic concepts
2:Drosophila life cycle and development of the body plan
3:Vertebrate life cycles, experimental te...
Wolpert et al, Principles of Development 6e
Test bank
Type: multiple choice question
Title: Chapter 01 - Question 01
01) Which of these terms refers to the “generation of form?”
a. Developmental biology
Feedback: No, developmental biology is the field of biology focused on understanding how
animals and plants develop.
Page reference: 2
b. Embryogenesis
Feedback: No, embryogenesis is the development of an embryo from a fertilized egg.
Page reference: 2
*c. Morphogenesis
Feedback: Yes, morphogenesis is the development of form. The meaning comes from the words
“morph” (form) and “genesis” (generation of).
Page reference: 2
d. Embryology
Feedback: No, embryology is an outdated term to describe the study of developmental biology.
Modern developmental biologists appreciate that development of an organism continues after
embryogenesis.
Page reference: 3
Type: multiple choice question
Title: Chapter 01 - Question 02
02) Which of these is true of meiosis?
*a. Germ cells are formed through this process.
Feedback: Yes, this is true. Germ cells, sperm and egg, are formed when a diploid cell
undergoes meiosis to give rise to four cells containing half the number of chromosomes (haploid).
Page reference: 6
b. A zygote is formed through this process.
Feedback: No, this is not true. A zygote is formed when fusion of a haploid egg nucleus with a
haploid sperm nucleus takes place.
Page reference: 5
c. This process is carried out during cleavage stage.
Feedback: No, this is not true. Cleavage stage is when a single-celled zygote undergoes rapid
mitotic cell divisions.
Page reference: 14
d. Daughter somatic cells are formed containing the same number of chromosomes as the
parental cell.
Feedback: No, this is not true. Mitosis is the type of cell division somatic cells use to keep the
number of chromosomes constant from parental cell to daughter cells.
Page reference: 5
Type: multiple choice question
Title: Chapter 01 - Question 03
03) What is the key hypothesis of a mosaic model for developmental fate regulation?
a. Normal development occurs even if cells are removed.
Feedback: No, if normal development proceeds even after cell removal this highlights an
embryo’s ability to regulate for this cell loss. This is the opposite of mosaic development where
cytoplasmic determinants are specific to a subset of embryonic cells.
Page reference: 24
b. Zygotic proteins and RNAs are equally distributed to daughter cells
Feedback: No, zygotic cytoplasmic determinants are expected to be unequally distributed among
daughter cells during cleavage events. This is how subpopulations of embryonic cells would
establish different characteristics within the context of a mosaic model.
Page reference: 24
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