True, maria are dark, smooth, <em>flat </em>surfaces on the moon.
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Answer: B - Were your parents or grandparents ever diagnosed with Huntington's disease?
Explanation: In autosomal dominant disorder, affected offsprings must have an affected parent. Unaffected parents do not transmit the disease.
Since the disease is caused by a dominant allele, the young man would only be at risk of having Huntington's disease if his parents or grandparents had ever been diagnosed with the disease. He needs not to worry if his parents or grandparents had never been diagnosed with the disease.
His cousin who has been diagnosed with the disease could have inherited the allele from his other parent.
Answer:
-5a-2
Explanation:
the - changes the numbers in the second pair of parinthacies to changes to the opposite signs
Chromosome is to cactus as gene is to needle
Answer:
See the answer below
Explanation:
Tigers and goldsih share the same phyllum because they both posses the basic characteristics of animals in the phyllum chordata. <em>These characteristics include;</em>
- <u>Possession of notochord</u>. The notochord is a rod-like structure that serves supportive functions and develops into the vertebral column in some group of chaordates.
- <u>Posession of post-anail tails</u> which is an extension of the posterior end of the of the body.
- <u>Possession of dorsal, hollow nerve chord</u> which eventually forms the brain and the central nervous system.
- <u>Possession of pharyngeal gill-slits</u>, an opening that develops into gill arches in golfishes and jaws in tigers.
