<span>The roles of allolactose in the lac operon and tryptophan in the trp operon is that </span>allolactose acts as an inducer.
Answer a)
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75% of the children will have the probability of being tasters. 25% will have the probability of being non- tasters.
Answer b)
There will be a 75% chance that their first child or their fourth child will be a taster.
The chances for every child will be the same because alleles assort independently during the time of gamete formation. Hence, the probability remains the same every time.
Answer c)
There will be a 25% chance for the first three offsprings to be non-tasters. 75% chances will be of them being tasters.
This is because the alleles assort independently each time during gamete formation. Hence, the chances will be the same every time.
Option D
polymerase chain reaction (PCR) do Makes more copies of a sample of DNA
<u>Explanation:</u>
A procedure to create several portraits of a distinct DNA section is termed as Polymerase chain reaction. In other words, it is a lab routine handled to compose various representations of a portion of DNA. PCR is extremely explicit and can be utilized to increase, or model, a particular DNA destination from a hybrid of DNA particles.
In PCR, the effect is regularly cycled within a range of temperature variations, which deduct countless models of the destination range to be exhibited. PCR intends to obtain sufficient of the objective DNA region that it can be examined or applied in some other way.
<span>the stratum lucidum is an epidermal layer. It is a clear layer of dead skin cells. Even under a microscope it is not visible, only under a light microscope can it be viewed. It is only found on the palms of ones hands and the soles of the feet.</span>
The correct answer is to "dilute with milk and water". The patient should not be induced to vomit to prevent aspiration as this can lead to another condition which is aspiration pneumonia. The patient should be given either a glass of milk or a glass of water for ingestion of petroleum jelly.
