A chromosome that results when the centromere splits in the wrong plane during meiosis, forming identical arms, is a(n)
A) ring chromosome.
B) metachromosome.
C) parachromosome.
D) isochromosome.
D) isochromosome.
You might also like to view...
Cooking oil and gasoline (a hydrocarbon) are not amphipathic molecules because they _____
A) do not have a polar or charged region B) do not have a nonpolar region C) have hydrophobic and hydrophilic regions D) are highly reduced molecules
High-intensity training in racehorses results in
a. muscle atrophy. d. no change in the expression of genes, but changes in phenotypes. b. the expression of genes in metabolism, oxidative phosphorylation, and muscle structure. e. changes in the expression of genes, but no changes in phenotypes. c. no phenotypic or biochemical changes
What organism is defined as a multicelled organism that develops through a series of stages and moves about during
part or all of its life?
a. archaea b. bacteria c. fungi d. animals e. plants
Semen consists of:
a. sperm only. b. secretions of accessory glands only. c. sperm plus urine. d. sperm plus secretions of accessory glands. e. sperm plus urine plus secretions of accessory glands.