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neonofarm [45]
3 years ago
5

A botanist discovers a new species of land plant with a dominant sporophyte, chlorophylls a and b, and cell walls made of cellul

ose. In assigning this plant to a phylum, which of the following, if present, would be least useful?
a. endosperm
b. seeds
c. sperm that lack flagella
d. flowers
e. spores
Biology
1 answer:
olchik [2.2K]3 years ago
3 0

Answer:

e. spores

Explanation:

In the given question, the characteristics of a plant are mentioned which are the dominant sporophyte, cell wall and the Chl a or b.

It is mentioned that the plant has a dominant sporophyte therefore it produces the spores during its life cycle. The other features like the endosperm, seeds, flowers are the characteristics on the basis of which the plant can be characterised as they differ in the plants.

Since the production of spores is a characteristic feature of the sporophyte, therefore, it will be least considered by the botanist to discover a new species.

Thus, Option-E is the correct answer.

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Answer:

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Explanation:

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Cell differentiation depends on genetic regulation, a mechanism that determines the specific genes that are expressed in a cell or tissue type.

All cells contain the same DNA, which is organized into chromosomes and contain the genes that determine specific characteristics. <u>There is cell differentiation because some genes can be expressed and others are suppressed, all due to genetic regulation</u>.

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Explanation:

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