Question
P can do a piece of work in 20 days, Q can complete
double the work in 40 days and R can do the work in 30 days. If all of them together earn Rs. 2400, then find the money received by Q.Solution
Time taken by P = 20 days Time taken by Q = 20 days Time taken by R = 30 days Let the total work be 60 units. Prsquo;s one day work = 3 units Qrsquo;s one day work = 3 units Rrsquo;s one day work = 2 units Amount received by Q = 2400 times; (3/8) = Rs. 900
The technique of making numerable copies of gene is called as?
Mendel chose ………….. pairs of contrasting characters for his study. In all the above crosses he obtained a definite phenotypic ratio of ………...
Which one of the following is not the law as per genetics?
Which of the following micro organism is used in genetic engineering?Â
Which of the following characters is not typical to class Mammalia?
Sex-influenced traits are autosomal qualities that are impacted by sex. An example of sex influenced traits is
The gene is considered the basic unit of inheritance which are passed from parents to offspring. The alternate form of a gene is termed as
When one single gene starts affecting multiple traits of living organisms, this phenomenon is known as…………………..
...A cross between an inbred line and an open pollinated variety also known as
The type of inheritance in which a sex linked gene is inherited from grandfather to grandson through daughter is called as
