<span>This study is a scientific study that links certain diseases with things that might causing them. Diabetes and heart disease are two of the most prolific ailments in modern humanity and this studies goal is to determine their cause and more importantly how to stop them.</span>
Answer:
a) both parents
Explanation:
autosomal recessive means that both copies of the "no tail" allele must be inherited in order to produce a dog with no tail, therefore the answer is both parents
Light can pass through a transparent object, but light cannot pass through an opaque object.
That substance was most likely parathyroid hormone.
<h3>What is a parathyroid hormone?</h3>
It should be noted that the parathyroid hormone is the hormone that is released to control calcuim levels in the blood.
In this case, this is illustrated as the blood calcium levels were above normal and the pathologist found cancer cells that produced a hormone-like substance.
Learn more about hormones on:
brainly.com/question/64686
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I'm pretty sure it's answer D. It's the only answer choice that really makes sense.