If a normal egg is fertilized by a sperm which
has an extra chromosome, what will be the
chromosomal condition of the zygote?
a. three copies of the affected chromosome
and two of all others
b. three copies of all chromosomes
c. four copies of the affected chromosome and
two of all others
d. one copy of the affected chromosome and
two of all others
e. two copies of all of the chromosomes
A
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A) meiosis B) mitosis C) fertilization D) chromosome exchange between organisms of different species
Gram staining divides bacterial species into two groups based on differences in cell wall structure.
Answer the following statement true (T) or false (F)
The dominant vegetation of the temperate rain forest includes all of the following except:a
Sitka spruce. b. western red cedar. c. beech. d. Douglas fir. e. western hemlock
The distribution of mitochondria between the daughter cells during cytokinesis
a. is random. b. is directed by the mitotic spindle. c. is directed by the centrioles. d. results in the mitochondria remaining in the parent cell. e. occurs only during meiosis.