The correct answer is polypoidy.
- Polypoidy means the pressence of an extra set of chromosome. This factor helps in various types of advancement in the plants.
- This polypoidy of plants results in bigger fruits and as the polypoid fruit is sterile they are seedless.
- The fruit formed has higher yield.
- They are resistant to diseases, high vigor and have good crop quality.
Answer:
(A) True
Explanation:
The sun is producting the electromagnetic radiation which is the primary energy source on Earth and the driver of the entire climate system.
In general the sun is the source of energy that drives all life on Earth. This energy governs the weather, ocean currents and the hydrological cycles.
Without the continuous influx of sunlight and heat, life on Earth would cease to exist. The sun sets off the hydrological cycle, causing it to constantly evaporate into the atmosphere, from which it falls back to Earth.
Answer:
B. codominance
Explanation:
because if the placement of the A and B molecules on each cell is controlled by the proteins that are coded by different versions of the same gene, then IA and IB are codominant but both are dominant to Io. If a person receives an IA allele and a IB allele, their blood type is type AB, in which characteristics of both A and B antigens are expressed.
Answer:
89 years
Explanation:
In 1808, John Dalton said that atoms were a solid sphere. It was until 1897 that J.J. Thompson discovered there were electrons, he said these electrons were scattered around in the atom like a plum pudding.
Each group of three nucleotides encodes one amino acid. Since there are 64 combinations of 4 nucleotides taken three at a time there are 20 amino acids.