They are said to be “denser” than air. what happens is that light slows down when it passes from the less dense air into the denser glass of water. this slowing down the ray of light also causes the ray of light to change directions. it is the change in the speed of the light that causes refraction.
Answer:
Genetically modified organisms or GMOs can be characterized as living beings (for example plants, creatures or microorganisms) in which the hereditary material (DNA) has been changed in a way that doesn't happen normally by mating and additionally common recombination. The innovation is regularly called "present day biotechnology" or "quality innovation", now and again likewise "recombinant DNA innovation" or "hereditary designing". It permits chosen singular qualities to be moved from one life form into another, likewise between nonrelated species. Nourishments created from or utilizing GM life forms are regularly alluded to as GM nourishments.
GM nourishments are created – and promoted – in light of the fact that there is some apparent bit of leeway either to the maker or customer of these nourishments. This is intended to convert into an item with a lower cost, more prominent advantage (regarding toughness or healthy benefit) or both. At first GM seed engineers needed their items to be acknowledged by makers and have focused on advancements that carry direct advantage to ranchers (and the food business by and large).
One of the destinations for creating plants dependent on GM life forms is to improve crop insurance. The GM crops as of now available are fundamentally focused on an expanded degree of harvest security through the presentation of obstruction against plant infections brought about by creepy crawlies or infections or through expanded resilience towards herbicides.
Resistance for insects is accomplished by consolidating into the food plant the quality for toxins creation from the bacterium Bacillus thuringiensis (Bt). This poison is presently utilized as an ordinary bug spray in agribusiness and is ok for human utilization. GM crops that inalienably produce this poison have been appeared to require lower amounts of bug sprays in explicit circumstances, for example where nuisance pressure is high. Infection obstruction is accomplished through the presentation of quality from certain infections that cause sickness in plants. Infection opposition makes plants less helpless to sicknesses brought about by such infections, bringing about higher harvest yields.
Herbicide resilience is accomplished through the presentation of a quality from a bacterium passing on protection from certain herbicides. In circumstances where weed pressure is high, the utilization of such harvests has brought about a decrease in the amount of the herbicides utilized.
Quick Answer. Collagen is the protein that all animals have in common, even single-celled animals and creatures such as sponges that lack differentiated bodies. Collagen is a cable-like protein that can calcify into bone, shell or other hard structures.
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B - They have different arrangements of atoms.
The phenotype is - 75 % red and 25 %brown.
The genotype is hRhR - 25%
hBkhR - 50%
hBrhBk - 25%.
<h3><u>Explanation:</u></h3>
The cross given here is a simple dominant - recessive relationship between the three types of alleles of hair colour. The genes of this characteristics are present in autosomes, so will be segregated equally among all the sexes of the offsprings.
Now the genotype of auburn and red with black mother is given. So during gametogenesis, the gametes from the parents will be
Father - hBr and hR
Mother - hBk and hR
So, the probable combinations are hBrhBk, hBrhR and hBkhR.
The frequency of the combinations are 25%, 25% and 50% respectively.
The phenotypic ratio will be red : brown as 3:1.
