Define the term hominin.
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✭The Hominini, or hominins, form a taxonomic tribe of the subfamily Homininae ("hominines"). Hominini includes the extant genera Homo (humans) and Pan (Chimpanzees and Bonobos), but excludes the genus Gorilla (gorillas).
✭The term was originally introduced by John Edward Gray (1824), long before any details on the speciation of Pan and Homo were known. Gray's tribe Hominini by definition includes both Pan and Homo. This definition is still adhered to in the proposal by Mann and Weiss (1996), which divides Hominini into three subtribes, Panina (containing Pan), Hominina ("homininans", containing Homo "humans"), and Australopithecina (containing several extinct "australopithecine" genera).
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Answer:
a primate of a taxonomic tribe ( Hominini ), which comprises those species regarded as human, directly ancestral to humans, or very closely related to humans.
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Answer: A biotic factor that impacts food chains and trophic levels
Explanation: Algae is at the bottom of the food chain, but provides all the energy for each organism in the ecosystem through photosynthesis
A. Mouth
C. Stomach
B. Rectum
D. Intestines
Answers
Answer:
Stomach
Explanation:
Stomach is the organ that stores swallowed food and liquid, mixes up digestive juices withthe food and liquid, and sends it to the small intestine.
Answer:
stomach
Explanation:
stomach is the answer pal
because the probability of hemophilia would be 1:2
because the probability of hemophilia would be 100%
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Answer:
Because the probability of hemophilia would be 1:4
Explanation:
Hemophilia is a disease that comes with a sex chromosome (pair 46).
It is a recessive allele associated with chromosome X, women have two X chromosomes they can carry it, but they don't have it because they have another dominand allele non-hemophilic.
If you draw a Punnet square with a non-hemophilic father and a carrying mother, you'll found you have 1:4 chances of having a baby boy with hemophilia.
Carrying mother = X(H)X(h)
Father = X(H) Y
Final answer:
A carrier woman has a 50% chance to pass the hemophiliagene to her son. Hemophilia, a sex-linked disorder, impairs blood clotting leading to excessive bleeding. Therefore, surgeries like circumcision that cause significant bleeding should be avoided.
Explanation:
A woman carrying the hemophilia gene can indeed pass it on to her son. Hemophilia is a sex-linked genetic disorder predominantly occurring in males. The reason being, the defective gene causing this condition is located on the X chromosome, and males have one X chromosome received from their mother and one Y chromosome from their father. If the X chromosome obtained from the mother carries the hemophilia gene, the male child will develop the disease. This is because males lack a second X chromosome that can compensate for the one carrying the defective gene.
If a woman who carries the hemophilia gene has a son, there is a 50% probability that the son will have hemophilia. That's why it's essential for such a woman to take precautionary measures. Circumcision is a surgical procedure which involves significant bleeding. In cases of hemophilia, blood clotting is impaired, leading to a high risk of excessive and prolonged bleeding. Therefore, it would be a wise decision to avoid circumcision where there is a risk of the boy having hemophilia.
Learn more about hemophilia here:
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Answer:
Describes ecosystem homeostasis
Explanation: