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A garden pea plant produced axial white flowers. Another of the same species produced terminal violet flowers. Identify the dominant traits.
Answer The dominant traits are axial and violet flowers.
Total Views: 53
Posted By: Open E-School
Posted On: 2017-09-05

AaBb was crossed with aabb. What would be the phenotypic ratio of the progeny. Mention the term used to denote this kind of cross.
Answer Test cross
Total Views: 53
Posted By: Open E-School
Posted On: 2017-11-26

A haemophilic son was born to normal parents. Give the genotypes of the parents.
Answer Mother-XhX (carrier) Father-XY(normal)
Total Views: 126
Posted By: Open E-School
Posted On: 2017-12-09

A teacher wants his/her student to find the genotype of the pea plants bearing purple coloured flower in their school garden. Name and explain the cross that will make it possible.
Answer Test cross is used to find out the genotype of any trait. A purple flower (homozygous dominant and heterozygous dominant) is crossed with the recessive parent i.e. white flower
Total Views: 51
Posted By: Open E-School
Posted On: 2017-09-05

A cross between a red flower bearing plant and a white flower bearing plant of Antirrhinum produced all plants having pink flowers. Work out a cross to explain how this is possible.
Answer This is an example of Incomplete Dominance.
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12

According to Hardy -Weinberg’s principle the allele frequency of a population remains constant .How do you interpret the change of frequency of alleles in a population.
Answer The change of frequency of alleles in a population occurs due to:- i) Gene migration ii) Genetic drift iii) Gene flow iv) ...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12

Are the wings of the bird and the forelimbs of a horse homologous or analogous.Name the type of evolution that explains the development of such structures.
Answer They are homologous organs because they have same origin but their function is different. Birds use their wings to fly and horse uses their forelimbs for running. They show divergent evolution...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12

a)Name the first disease treated with gene therapy. b) What is the cause of this disease and effect of the disease on patient.
Answer a) The first disease treated with gene therapy was SCID (Severe Combined Immunodeficiency Syndrome) which is caused due to the deficiency of enzyme Adenosine Deaminase(ADA).The treatment was g...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-04-12

Application Software
If the operating system is the soul of the computer then application software is the reason why you will use the computer on a daily basis. Once you have a computer and you install an operating system...
Total Views: 95
Posted By: Open E-School
Posted On: 2017-12-05

Arithmetic operators In C
C language provides you with operators using which you can perform mathematical operations. These operators are the same which you use in your real life for math operations. Arithmetic operators provi...
Total Views: 9
Posted By: Open E-School
Posted On: 2017-11-27

Advantage of developing web applications
Applications built using the client and server model has many advantages over desktop and mobile applications. Although when somebody’s specific need is a desktop or a mobile application, you cannot c...
Total Views: 73
Posted By: Open E-School
Posted On: 2017-07-09

[A] Point out the errors, if any, in the following C statements
(a) x = ( y + 3 );
This statement is correct. There are no errors.
(b) cir = 2 * 3.141593 * r;
This statement is correct. There are no errors.
(c) char = ‘3’;
This statement is correct. Anything writt...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-07-12

(a) If a five-digit number is input through the keyboard, write a program to calculate the sum of its digits. (Hint : Use the modulus operator ‘%’)
Note : A computer program to solve the given problem can be written very few lines by using the concept of loops. But because this question has been given in Chapter 2 of the book we have solved this ...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-07-14

An implementation of a queue Q, using two stacks S1 and S2, is given below...
1. An implementation of a queue Q, using two stacks S1 and S2, is given below:
void insert(Q, x) {
push (S1, x);
}
void delete(Q){
if(stack-empty(S2)) then
if(stack-empty(S1)) then {
...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-02

A weight-balanced tree
A weight-balanced tree is a binary tree in which for each node, the number of nodes in the let sub tree is at least half and at most twice the number of nodes in the right sub tree. The maximum possib...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-03

A undirected graph G has
A undirected graph G has n nodes. Its adjacency matrix is given by by an square matrix whose
diagonal elements are O's, and
non-diagonal elements are 1’s. Which one of the following is TRUE?
(A) Gr...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

A program takes as input
A program takes as input a balanced binary search tree with n leaf modes and computes the value of a function g(x) for each node x . If the cost of computing g(x) is min (number of leaf-nodes in lear-...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

A priority-Queue is implemented
A priority-Queue is implemented as a Max-Heap, Initially, it has 5 elements. The level-order traversal of the heap is given below: 10, 8, 5, 3, 2
Two new elements ‘1’ and ‘7’ are inserted in t...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

A scheme for storing
A scheme for storing binary trees in an array X is as follows. Indexing of X starts at 1 instead of 0. The roots is stored at X[1]. For a node stored at X[1], the left child, if any, is stored in X[2i...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

An element in an array
An element in an array X is called a leader if it is grater than all elements to the right of it in X. The best algorithm to find all leaders in an array.
(A) Solves it in linear time using a left to ...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

A set X can be represented
A set X can be represented by an array x[n] as follows
Consider the following algorithm in which x,y and z are boolean arrays of size n;
The set Z computed by the algorithm is
(A)
(B)
(C)
(D)
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

An array of n numbers
An array of n numbers is given, where n is an even number. The maximum as well as the minimum of these n numbers needs to be determined. Which of the following is TRUE about the number of comparisons ...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

A complete n-ary tree
A complete n-ary tree is a tree in which each node has n children or no children. Let I be the number of internal nodes and L be the number of leaves in a complete n-ary tree. If L= 41, and I =10, wha...
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-04

AB-tree of order 4 is
AB-tree of order 4 is built from scratch by 10 successive insertions. What is the maximum number of node splitting operations that may take place?
(A) 3
(B) 4
(C) 5
(D) 6
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-05

AB-tree of order 4 is
AB-tree of order 4 is built from scratch by 10 successive insertions. What is the maximum number of node splitting operations that may take place?
(A) 3
(B) 4
(C) 5
(D) 6
Total Views: 0
Posted By: Open E-School
Posted On: 2016-08-05

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