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Evgen [1.6K]
3 years ago
10

How is vascular tissue arranged in dicot stems?

Biology
2 answers:
ddd [48]3 years ago
6 0

The arrangement of vascular bundles in dicot stem is in the form of bundles in a ring.

Vascular bundles are the conducting tissues of the plant body. Their arrangement is quite different in monocots and dicots.

The vascular bundle in dicots are more complicated than that of monocots and arranged in the form of rings. They are designed in such a way that pits are concentrated at the core of the stem rather than being scattered throughout the plant.

Slav-nsk [51]3 years ago
4 0
In bundles in a ring is how a vascular tissue is arranged in dicot stems. 

Your answer is A. 
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Answer:

The correct answer is 160.

Explanation:

Based on the given question, the total number of fruit flies is 1000, of which red eye flies are 640. Thus, the number of sepia eye flies will be 1000-640 = 360.  

On the basis of the Hardy-Weinberg equation, p+q = 1, in which p is the rate of recurrence of one allele, that is, dominant and q is the rate of recurrence of the other allele, that is, recessive.  

q^2 for the population is 360/1000 = 0.36, q = 0.6.  

Therefore, p = 1-q = 1-0.6 = 0.4.  

The frequency of homozygous dominant allele is denoted by p^2 = 0.16.  

Hence, the number of homozygous dominant for red eye color would be 16% of 1000 which will be equal to 160.  

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