Answer:
"Medical Definition of condyloid joint
an articulation (as that between the metacarpals of the hand and the first phalanx of the fingers) in which an ovoid head is received into an elliptical cavity permitting all movements except axial rotation"
Explanation: "Condyloid joints, also known as ellipsoid joints, are composed of an egg-shaped bone known as a condyle that fits into a similarly shaped cavity. Although it sounds similar to a ball and socket joint, condyloid joints only allow for forward-backward and side to side movement and do not allow rotation."
simply looked this one up hope it helps
Native Americans and Type O Blood
Modern Native Americans have very high frequencies of Type O blood.
In some places in North and South America, the frequency is as high as 100%. Anthropologists believe that early Native Americans arrived in North America by crossing over the Bering Land Bridge around 15,000 years ago, from East Asia.
Modern East Asian populations, with whom modern Native Americans share ancestry, do not have high frequencies of Type O blood. Instead, they have some of the lowest frequencies of Type O blood in the world.
B. Sickle-Cell Anemia
As many as 20-30% of people living in equatorial Africa have at least one allele on Chromosome 11 that codes for sickle-cell anemia (they have an, "S" rather than an, "A" allele). This is odd because usually, 80% of people who have two S alleles die before they can reproduce,
For each of the following cases:
1. What forces of evolution are at work? State all that apply.
Mutation
Natural Selection
Genetic Drift
Gene Flow.
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The answer would be the medullary respiratory center dorsal respiratory group and pontine respiratory group.
Sentence form: Normal quiet breathing is controlled by the medullary respiratory center, dorsal respiratory group, and pontine respiratory group.