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Vlad1618 [11]
3 years ago
11

All living organisms are made up of cells. Cells are the basic units of life. In complex living organisms, cells are organized i

nto tissues, tissues are organized into organs, and organs are organized into organ systems. What characteristic of life does this information represent?
A.
Life is composed of only complex organisms.
B.
Life can be arranged in a structural hierarchy.
C.
Life does not demonstrate order in its systems.
D.
Life tends to be chaotic and random.
Biology
1 answer:
leonid [27]3 years ago
4 0
B is the correct answer because all the classes are hierarchy’s in a sense
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Answer:

The options:

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The CORRECT ANSWER IS C.

C. A carrier mother and a hemophiliac father

Explanation:

Hemophilia is known to be a recessive disorder, a woman would need to have two disease alleles (positioned on both X chromosome) for the disease to be expressed. Therefore, she would need to possess the disease allele from both parents (mother and father).

Hemophilia is an X-linked disorder, and it is hemizygous for male in terms of the hemophilia-related gene (with only a singular allele and express the phenotype linked with the allele). For the hemophilia allele to be inherited in an offspring, the male has to be hemophiliac.

Pairs of parents without a hemophiliac male would not have a hemophiliac daughter, excluding rare conditions (spontaneous mutations occuring in the germline or at growth and maturation of the embryo).

A homozygous woman for this condition (is hemophiliac) or heterozygous woman for the allele in consideration (is an unaffected carriers) could transfer a hemophilia allele to her offspring.

Pairs of parents that without a hemophiliac female or hemophiliac carrier would not yield a hemophiliac daughter (with the exclusion of rare spontaneous mutation situations).

Of the pairs above, a carrier mother and a hemophiliac father would most probably produce a hemophiliac daughter.

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