Assertion based Inheritance

Quiz
•
Biology
•
12th Grade
•
Easy
Rupesh Sharma
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion : When yellow bodied, white eyed Drosophila females were hybridised with brown-bodied, red eyed males; and F1 progeny was intercrossed, F2 ratio deviated from 9 : 3 : 3 : 1.
Reason : When two genes in a dihybrid are on the same chromosome, the proportion of parental gene combinations are much higher than the non-parental type.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion : At F2 stage in monohybrid cross, both parental traits are expressed in the proportion of 3 : 1.
Reason : The contrasting parental traits show blending at F2 stage.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion : Test cross is the cross between the F1 progeny and either of the parent types.
Reason : Back cross is the cross between F1 progeny and the double recessive genotype.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion : The pink coloured flowers appear in F2 generation of plant Mirabilis jalapa.
Reason : This is observed due epistatic suppression of white colour alleles in one of parental flowers by red colour alleles.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion : Pairing and separation of pair of chromosomes would lead to segregation of a pair of factors they carried.
Reason : Two alleles of a gene pair are located on similar sites on non-homologous chromosomes.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion : The law of independent assortment can be studied by means of dihybrid cross.
Reason : The law of independent assortment is applicable only to unlinked genes.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assertion : Mendel conducted artificial pollination experiments for his genetic studies using true-breeding pea lines.
Reason : A true-breeding line shows the stable trait inheritance and expression for several generations.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true but Reason is false.
Both Assertion and Reason are false
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