Nondisjunction can occur during _____ of meiosis
a. anaphase I
b. telophase I
c. anaphase II
d. [anaphase I] and [anaphase II]
D
You might also like to view...
The double helix of DNA is composed of building blocks called amino acids.
a. monosaccharides. b. phospholipids. c. disaccharides. d. nucleotides
Freshwater wetlands are important in supporting
A) waterfowl. B) aquatic invertebrates. C) amphibians. D) all of the above.
Which of the following is an example of sympatric speciation?
A. two populations of salamanders that live on isolated islands and eventually become separate species, unable to interbreed B. different breeds of dog, which live in different areas of the world, but are able to produce fertile offspring C. a horse and a donkey, which may interbreed to produce a mule, which is sterile and unable to reproduce D. two related plant species living in the same area that hybridize, then undergo chromosome doubling, which results in the creation of a third species of plant that is unable to reproduce with either of the two original species E. three species that evolve from a common ancestral species due to reproductive isolation, and adaptation to different habitats
A single cell, the zygote, can develop into an entirely new organism with many different specialized cells. Which of the following statements about this process is false?
A) Additional genetic information for the formation of specialized cells is passed on to the developing embryo via the mother. B) The descendant cells specialize by a process known as differentiation. C) The zygote contains all of the genetic information required for the development of many different cell types. D) Differentiation of the zygote into a multicellular organism results from selective gene expression.