Answer:
Sonography
Explanation:
sonography is an ultrasound, which is what most people are used to hearing.
The hormone Progesterone increases in the blood to a level that causes lh to be released from the anterior pituitary.]
Answer:
D) a genetic bottleneck
Explanation:
Genetic bottleneck refers to the sudden reduction in the population size due to some adverse climatic factors such as natural calamities. It changes the allele frequencies since the survivor population mostly have different allele frequencies than the original population.
In the given example, an earthquake kills 98% of the squirrels. The survivor population exhibits different allele frequencies for the gene responsible for the thickness of stripes. Therefore, it represents a genetic bottleneck.
