Tag: biology

The primary biological importance of sex in organisms is that it

P is the daughter of Q. R has only two children - P and S. T is the brother of U. S is married to V. R has only two daughters. X is the father of Q. T is married to P. W is married to X. R is the son of Y. Who among the following is the mother of Q?

A DNA molecule measures 204 nm in length; 35% of the molecule has AT base pairs. Find out the number of H-bonds existing between the two strands of DNA.

What is the probability of three daughters to a couple in three children?

A family has five girls and no son, the probability of the occurrence of son in $6^{th}$ child is?

Find out the frequency of AabbCcDdee if parents are AabbCCddEe and AabbccDdee.

A family of five daughter only is excepting sixth issue. The change of its beings a son is?

A human male is heterozygous for two autosomal genes A & B and homozygous dominant for 3rd autosomal gene C. The individual is having sry gene (S) on its Y-chromosome. What will be the probability of sperms to carry abcS condition? 

Assume that the occurrence of nitrogen bases in adjacent positions in a DNA strand is random. Identify the minimum number of nucleotides in a DNA strand where GAAT can occur once on the basis of probability

Assume that the occurrence of nitrogen bases in adjacent positions in a DNA strand is random. Identify the minimum number of nucleotides in a DNA strand where GAAT can occur on the basis of probability.