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tiny-mole [99]
3 years ago
14

An organ represents a higher level of structure than the tissue composing it and performs functions that the tissues cannot perf

orm alone. This is an example of the principle of:
Biology
1 answer:
Natalija [7]3 years ago
4 0

Answer: This is an example of organizational heirarchy.

Explanation: These biological structures are designed in a way that the whole system consist of different parts serving its own unique purpose, making up a full functional system. It goes from; atoms, molecules,cells, tissues and organs which makes up a system. Digestive system for example is composed of atoms, molecules,cells, tissues and organs that helps to digest amd convert food into energy(ATP).

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A carrier mother (XHXh) of hemophilia marries a normal father(XHY). *Use allele letter H What are the mothers and fathers genoty
ZanzabumX [31]

Answer: The mother of the man can be either XHXH or XHXh and pass her normal allele to the son and his father can be either XHY or XhY, he only passes his Y chromosome. The mother of the woman can be XHXH or XHXh and the father could be XhY, then she could have inherited the normal allele from the mother and the affected allele from the father. But also, the mother of the woman could be XHXh or XhXh and the father could be XHY, so in this case she could have inherited the normal alele from the father and the affected allele from the mother.

Explanation:

Hemophilia is an inherited bleeding disorder in which the blood does not clot properly. This can cause bleeding either spontaneously or after an injury.

<u>It is related to the X chromosome and it is recessive for females</u>, this mean they need both affected alleles to develop the trait. <u>Males only need one recessive allele because they only have one X chromosome</u>. This means that females need both parents to be at least carriers (although one or both can also have the disease or both recessive alleles). While males inherit it only from the mother, either she is a carrier (one recessive allele) or she has the disease (both recessive alleles). Then the mother passes the X chromosome with the affected allele to the son, and that son only receives the Y chromosome from the father, which does not have the gene that determines this disease.

If the mother is a carrier, her genotype is XHXh, being XH the normal allele and Xh the affected allele. She does not have hemophilia because she has a dominant allele. The father is XHY, so he does not have the disease because his only allele is normal (dominant)

The mother of the man can be either XHXH (she can only pass a normal allele) or XHXh and pass her normal allele to the son (in this case, the recessive allele is not inherited by chance.) His father can be either XHY or XhY, he only passes his Y chromosome which is not related to the disease. The mother of the woman can be XHXH or XHXh and the father could be XhY, then she could have inherited the normal allele from the mother and the affected allele from the father. But also, the mother of the woman could be XHXh or XhXh and the father could be XHY, so in this case she could have inherited the normal alele from the father and the affected allele from the mother.

4 0
3 years ago
Why In type of hot ,dry,weather , some cities ban the use of garden sprinklers
victus00 [196]
Cause in such dry times the cities already use lots of water, so they banned sprinklers to preserve some of the water for the city and other uses

6 0
3 years ago
Greater portions of the beach begin to reappear during _____.
masya89 [10]
Greater portions of the beach begin to appear during ebbing tides, until the maximum amount of beach is visible at low tide. They usually happens twice in a day. Beaches results from wave action by which waves or currents move sand or other loose sediments of which the beach is made as these particles are held in suspension.
7 0
2 years ago
In the context of protein digestion, protein breakdown into its amino acid constituents is completed by?
Artemon [7]

In the context of protein digestion, protein breakdown into its amino acid constituents is completed by <u>proteases </u><u>produced in the small intestine</u>

<u />

  • Protein-degrading enzymes are referred to as proteases. These enzymes are produced by bacteria, fungus, plants, and mammals.
  • Proteins in the body or on the skin are broken down by proteolytic enzymes.
  • This may aid in digestion or the breakdown of proteins that contribute to inflammation and pain.
  • The small intestine, pancreas, and stomach all manufacture protease.
  • The stomach and small intestine are where the majority of chemical reactions take place.
  • Pepsin is the primary digestive enzyme that targets proteins in the stomach.
  • Proteases are released by the pancreas into the proximal small intestine, where they combine with proteins that have already been altered by gastric secretions and break them down into amino acids, which are then absorbed and utilized by the body as necessary.

learn more about proteases here:

brainly.com/question/24155941

#SPJ4

<u />

5 0
1 year ago
Water is less dense in liquid form then in?
dedylja [7]

Answer:

solid form..............

3 0
3 years ago
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