Genetics (Exception Of Mendelism, Cytoplasmic Inheritance) Test - Botany, Class 12 - Class 12 MCQ
30 Questions MCQ Test - Genetics (Exception Of Mendelism, Cytoplasmic Inheritance) Test - Botany, Class 12
In a dihybrid cross, when one pair of alleles show incomplete dominance, genotypic ratio comes to
Which of the following is the example of codominance :-
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Cross over value (COV) of gene A and B is 5% while COV of genes B and C is 15% the possible sequence of these genes on chromosome is :-
A test cross of F1 flies +a/+b produced the following offspring
++/ab = 9
ab/ab = 9
+b/ab = 41
a+/ab = 41
What will be distance between linked gene :–
Which of the following conditions represent a case of co-dominant genes.
A sinistral shelled female snail having Dd genotype cross with dextral shelled male having dd genotype.What type of shell will be present in the progeny
In female Drosophila the linked gene exhibit recombination during meiosis of gamete formation, but such a recombination does not occur during the formation of sperm in male Drosophila
The phenomenon of incomplete dominance was observed by :-
Genes for cytoplasmic male sterility in plants are generally located in
Sickle cell anemia is
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because "O" in it refers to having
Select the incorrect statement from the following :-
Which one of the following is commonly used in transfer of foreign DNA into crop plants ?
The bacterium Bacillus thuringiensis is widely used in contemporary biology as
Polyethylene glycol method is used for :-
Transgenic plants are the ones
What is true about Bt toxin ? [AIPMT-2009]
The genetic defect - adenosine deaminase (ADA) deficiency may be cured permanently by :-
In Mirabilis & Antirrhinum plant the appearence of the pink hybrid (Rr) between cross of a red (RR) and white (rr) flower parent indicates :-
Exception to mendel's law is found in flower colour of
RR(red) is crossed with ww (white). All Rw offsprings are pink. This indicates that R-gene is
In case of incomplete dominance the monohybrid ratio of phenotypes in F2 generation is :-
A white flowered mirabilis plant rr was crossed with red coloured RR, If 120 plants are produced in F2 generation .the result would be
When the phenotypic and genotypic ratios resemble in the F2 generation it is an example of :-
Which one carries extra nuclear genetic material
When certain character is inherited only through the female parent, it probably represents the case of :
Cytoplasmic male sterility is inherited :-
Mendel did not include in his laws
If mendel has chosen to study traits determined by linked genes he would not have discovered
Which law would have been violated if mendel had chosen eight characters in garden -pea :
Important Questions for Genetics (Exception Of Mendelism, Cytoplasmic Inheritance) Test - Botany, Class 12
Genetics (Exception Of Mendelism, Cytoplasmic Inheritance) Test - Botany, Class 12 MCQs with Answers
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