Explain how the structures of plant tissues and organs are directly related to their roles in physiological processes.

Biology

1 answer:

SpyIntel [72]3 years ago

5 0

Answer:

How the structures of plant tissues and organs are directly related to their roles in physiological processes.

o Plant organs are limited to roots, stems, leaves, flowers, fruit and cones.

o Physiological processes are limited to photosynthesis, cellular respiration,

transpiration, and reproduction.

o Plant tissues are limited to meristematic, ground, dermal and vascular tissues.

o Plant structures are limited to cambium, guard cells, phloem, seed, stomata and

xylem

Explanation: Hope this helps have a safe and happy new year

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Ellis-van Creveld syndrome is a recessive genetic disorder that includes the characteristics of short stature and extra fingers

e-lub [12.9K]

Answer:

D. The frequency of the Ellis-van Creveld allele is 0.0447 in the isolated population and 0.0026 in the general population, which suggests that genetic drift has occurred in the isolated population.

Explanation:

If we assume that one gene is involved in Ellis-van Creveld syndrome and we name that gene with A, then the genotype of the syndrome would be aa.

In population 1, the frequency of the syndrome is 1/150000=0.0000066(it is the frequency of the aa gentotype)

In population 2, the frequency of the syndrome is 1/500=0.002

According to Hardy-Weinberg equilibrium

p2+2pq+q2=1 (p2 is the frequency of the dominant homozygous, 2pq is the frequency of heterozygous and q2 is the frequency of the recessive homozygous).

q or the frequency of the Ellis-van Creveld allele in Population 1 is $\sqrt{0.0000066}$ =0.0026