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Sergeeva-Olga [200]
4 years ago
8

A worm is living inside a cow and stealing nutrients from the cow's body, causing the cow to become malnourished. What type of s

ymbiotic relationship is this?
A. Two or more organisms looking for the same resource
B. Adults outcompeting offspring for resources
C. Organisms from the same species looking for the same resource
D. Organisms from different species looking for the same resource
Biology
1 answer:
yKpoI14uk [10]4 years ago
3 0

Answer:

Option B, Adults out competing offspring for resources

Explanation:

In a symbiotic relationship two species/organisms live together in a mutual relationship in which either

a)  Both of the species get benefitted

b) One of the species get benefitted and the other species get harmed

c) One of the species get benefitted and the other species is neither harmed nor benefited.

In this case , the worm with in the cow's body get benefited while the cow herself gets harmed as her food is stolen.

Hence, option B is correct.

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Answer:

The correct answer would be Y-chromosome analysis.

Y-chromosome analysis is technique used to search the parental line of a boy on his father's side.

Gender of a person is determined by 23^{rd} chromosome in humans. XX is present in females and XY is present in males.

Mother always passes X chromosome to her progeny but father passes both X and Y chromosomes. If X is passed from the father then the offspring will be a girl and if Y is passed from the father then the offspring will be the son.

The sons (F₂) of this son (F₁) will also bear the same Y chromosome as that of grand father (P).

Thus, Y chromosome always passes from father to son and hence, Y-chromosome analysis can help in identification of father of this young boy.

3 0
3 years ago
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Answer:

cause the chromosomes are divided in meiosis-1 in pachytene phase

Explanation:

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i think it is osmosis

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liberstina [14]
Gamma-amino-butyric acid (GABA)
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