| 1 |
The relationship between the alleles IA and IB of the blood group is: |
complete dominance
incomplete dominance
recessiveness
co-dominance
|
| 2 |
In dihybrid cross the genotypic ratio of F2 generation is: |
1 : 1 ; 1 : 1
1 :3 :1 : 1
1 : 2 : 2 : 1
9 : 3 : 3 : 1
|
| 3 |
ABO blood system is controlled by a gene I The number of alleles I.The number of alleles of this gene are: |
two
three
five
many
|
| 4 |
The genotype of wrinkled green seeds was: |
RRyy
RyYr
RRYY
rryy
|
| 5 |
How many contrasting pairs of characters of pea plant were studied bu mendel? |
one
three
five
seven
|
| 6 |
The are how many hydrogen bonds between cytosine and guanine? |
one
two
three
four
|
| 7 |
Adenine always pairs with: |
thymine
guanine
cytosine
uracil
|
| 8 |
It is a homozygous genotype: |
AA
aa
Aa
both A and B
|
| 9 |
How many genotypes are possible for the allele ''A'' and ''a'' ? |
two
three
four
seven
|
| 10 |
The alternate forms of a gene are called: |
traits
companion genes
alleles
homologous genes
|
| 11 |
In human body cells the number of chromosomes present are: |
23
46
52
48
|
| 12 |
Genes are located on: |
Chromosomes
proteins
nucleotide
DNA
|
Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
