The largest and most complex mitochondrial genomes come from _____.

The mitochondria of flowering Angiosperm plant are the largest. The size of these mitochondria varies from 1.86 million bp to 2.4 million bp. It is also the most complex one as it carries large number of repeating units which allows multiple permutations for recombination. This allows generation of mitochondria of varying sizes with in the same species.

It is least gene dense as the inter regions are highly expanded. One of the most distinguishing feature of these mitochondria's are that they contain polypeptides. These polypeptides are basically non functional but have potential to evolve into functional one.

soneyedesola44 soneyedesola44 · Answer 2 · 2019-09-14T21:48:37+02:00

Basically, the largest and most complex mitochondrial genomes come from the angiosperm

The mitochondria genomes of the angiosperm are dynamic in genome structures. The genomes size of the angiosperm mitochondria is the largest. It can carry foreign rampant DNAs. The angiosperm mitochondria is also referred to as the master chromosomes because it is a singular DNA molecules that accommodate complete set of genes.

Further Explanation

Mitochondria molecules exists primarily as multiple linear molecules.

Angiosperms are the largest and most diverse group land plants. Angiosperms made up approximately 80 percent of entire existing green plants.

They are distinguished from the gymnosperms because they produced flowers, and endosperms within the seeds and fruits that contain seed.

Characteristics of Angiosperm

All the angiosperms at some stage have flowers in their life. The flowers are the reproductive organ for the plant. The flowers also serve as a means of exchanging genetic information.

Angiosperms have carpels. The carpel envelopes round a developing seeds that transform into a fruits.

All angiosperms possess stamens. Stamens are productive structures present in flowers. The stamens produce grains and carry the male genetic information.

Angiosperms can produce endosperm. Endosperm serves as a source of food for developing seed.

Some of the common examples of angiosperms are tulips,roses, trees (magnolia) and tomatoes.

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KEYWORDS:

angiosperm
mitochondria
genomes
plants
stamens
carpels