Gametes are exact copies of body cells, but with only half the number of chromosomes.
Answer the following statement true (T) or false (F)
False
Gametes are not exact copies of body cells. The genetic makeup of gametes varies due to gene exchanges (cross overs) during meiosis.
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The thoracic and abdominopelvic cavities are separated by the ________
A) Sternum B) Ribs C) Diaphragm D) Spinal cord
List four factors that affect normal body growth.
What will be an ideal response?
What is the term for rRNA?
A) ribosomal ribonucleic acid B) rough ribosomal nucleic acid C) reticulated ribonucleic acid D) rough nucleic acid E) ribosomal nucleic acid
Stretch reflexes
A. are learned voluntary responses. B. aid in maintaining proper posture. C. prevent muscles from being damaged by excessive tension. D. cause the removal of limbs from painful stimuli. E. prevent falling.