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Bateson and Punnett crossed two white-flowered lines and saw all purple flowers in the F₁ generation.They concluded this was an example of complementary gene interactions because a cross of the F₁ plants yielded what ratio in the F₂ generation?
Heart Rate
The number of times a heart beats per minute, reflecting the cardiac activity of an organism.
Bronchial Constriction
The narrowing of the bronchi in the lungs due to the tightening of the surrounding smooth muscle, leading to breathing difficulties.
Pulmonary Emphysema
Pulmonary emphysema is a chronic respiratory disease characterized by the destruction of the air sacs in the lungs, leading to breathlessness.
Chronic Obstructive Pulmonary Disease
A group of lung diseases that block airflow and make it difficult to breathe, typically progressing over time.
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