Answer: The study, by Dr. Tim Brodribb and Dr. Taylor Field of the University of Tasmania and University of Tennessee, used plant physiology to reveal how flowering plants, including crops, were able to dominate land by evolving more efficient hydraulics, or 'leaf plumbing', to increase rates of photosynthesis.
Explanation: The reason for the success of this evolutionary step is that under relatively low atmospheric C02 conditions, like those existing at present, water transport efficiency and photosynthetic performance are tightly linked. Therefore adaptations that increase water transport will enhance maximum photosynthesis, exerting substantial evolutionary leverage over competing species.
The evolution of dense leaf venation in flowering plants, around 140-100 million years ago, was an event with profound significance for the continued evolution of flowering plants. This step provided a 'cretaceous productivity stimulus package' which reverberated across the biosphere and led to these plants playing the fundamental role in the biological and atmospheric functions of the earth.
H is grana, i is ATP, J is Calvin cycle, A is sugar, e is electron transport chain, c is Krebs cycle,
The DNA technology that is helping in this process is the CRISPR-Cas system.
<h3>What is the CRISPR-Cas system?</h3>
The CRISPR-Cas system is a genome editing tool that has revolutionized genetic and molecular biology.
This genome editing tool can be used to insert specific sequences of DNA into a chromosome and thus generate a new cell expressing of these genes.
In conclusion, The DNA technology referred here is CRISPR-Cas system.
Learn more about CRISPR-Cas here:
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Technology and industrialization are two top ones.
Answer:
"T" X "t" yields offspring that are all heterozygous with genotype "Tt"
Explanation:
An Allele refers to either of a pair of contrasting genes.
So, "TT" being the same yeild just one allele (T), while "tt" also yield one allele (t)
So, the cross of the both alleles
"T" X "t"
yields offspring that are all heterozygous with genotype "Tt"
Thus, the crossing dominant tall plant height "TT" and recessive short plant height "tt" yielded heterozygous tall plants "Tt"
