Biology Inheritance Principles Pleiotropy Online Exam Quiz
Biology Inheritance Principles Pleiotropy GK Quiz. Question and Answers related to Biology Inheritance Principles Pleiotropy. MCQ (Multiple Choice Questions with answers about Biology Inheritance Principles Pleiotropy
What is the X/A ratio of super females of Drosophila?
Options
A : 1
B : 0.67
C : 1.5
D : 0.33
How is pleiotropy different from polygenic inheritance?
Options
A : A single gene can exhibit multiple expressions
B : A single gene exhibits only a single expression
C : Two genes exhibit a single character
D : Multiple genes control a single character
What is the mechanism behind pleiotropy?
Options
A : A single gene controls a single character
B : Effect of a gene on metabolic pathways
C : Effect of multiple genes on multiple pathways
D : Effect of multiple alleles on a biochemical pathway
Which of the following is a sex-influenced trait?
Options
A : Antlers in male deer
B : Female or male musculature
C : Porcupine skin
D : Pattern baldness
Which of the following does not show an environmental mechanism of sex determination?
Options
A : Grasshopper
B : Bonnelia
C : Crepidula
D : Ophryotrocha
How does Gynander differ from Gynandromorphs?
Options
A : Gynander can only be a male
B : Gynander can only be a female
C : Gynander has patches of tissues of other sex on it
D : Gynander has one half body male and the other half as female
Which of the following is not a symptom of phenylketonuria?
Options
A : Mental retardation
B : Reduction in hair
C : White urine
D : Skin pigmentation
Which of the following is not an example of sex-limited traits?
Options
A : Milk glands in females
B : Short index finger in male
C : Beard in male
D : Deep male voice
What is the full form of PKU?
Options
A : Phenyl Ketonic Ubisch bodies
B : Para-keto ulna
C : Phenylketonuria
D : Para-keto uremia
Accumulation of which of the following in the brain leads to phenylketonuria?
Options
A : Phenylpyruvic acid
B : Pyruvic acids
C : Tyrosine
D : Phenylalanine
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