The central nervous system is housed in the
a. cranial and spinal cavities.
b. cranial cavity only.
c. thoracic cavity.
d. pelvic cavity.
e. abdominal cavity.
A
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Which of the following might result in a human zygote with 45 chromosomes?
A) an error in either egg or sperm meiotic anaphase B) failure of the egg nucleus to be fertilized by the sperm C) failure of an egg to complete meiosis II D) incomplete cytokinesis during spermatogenesis after meiosis I
Both parents usually imprint the same gene
Indicate whether the statement is true or false
Imprinting disorders illustrate
A) epistasis. B) epigenetics. C) epidermics. D) apogenetics.
Energy is commonly defined as ____.?
a. a form of heat b. ?thermodynamics c. ?the capacity to change d. ?the capacity to do work e. the ability to do work?