INHERITANCE AND VARIATION biology MCQ’s questions answers

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INHERITANCE AND VARIATION

Question 271 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mendel found that reciprocal cross yielded identical results. From that he concluded ..... [KCET 210]
A
Sex plays a role in deciding dominance of trait
B
There is no dominance of any trait
C
There is independent assortment of trait
D
Sex has no influence on the dominance of the trait
Question 272 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Albinism is due to deficiency of ..... [BHU 2012]
A
Tyrosinase
B
Amylase
C
Carbonic anhydrase
D
Acetyl cholinesterase
Question 273 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An exception to Mendel's principles / Mendel did not include in his discoveries ..... [RPMT 1990]
A
Dominance
B
Purity of gametes / segregation
C
Linkage
D
Independent assortment
Question 274 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A cross between F1 hybrid and recessive parent give a ratio of ..... [manipur 2009]
A
3:1
B
1:1
C
2:1
D
4:1
Question 275 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates :-..... [AIPMT-2016]
A
The two genes are located on two different chromosomes.
B
Chromosomes failed to separate during meiosis.
C
The two genes are linked and present on the same chromosome.
D
Both of the characters are controlled by more than one gene.
There are 275 questions to complete.