Are you looking for Mcqs on Genetics? If Yes then you are at right place. Here you will find Genetics Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Genetics Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Genetics Mcqs. as you know Questions and Ansers on Genetics is very important for Neet Exam. In this Genetics MCQ section for Neet competition we are covering MCQS on Genetics
Question : Which term represents a pair of contrasting characters?
A. Heterozygous
B. Homozygous
C. Codominant genes
D. Allelomorphs
Question : The geometrical device that helps to find out all the possible combinations of male and female gametes is known as
A. Bateson Square
B. Mendel Square
C. Punnett Square
D. Mendel Square
Question : A small amount of lethal mutation is always present in the population due to
A. Positive selection
B. Negative selection
C. Frequency-dependent selection
D. Mutation-selection balance
Question : 9:7 ratio in the F2 generation represents
A. Incomplete dominance
B. Co-dominance
C. Epistasis
D. Complementary interaction
Question : Cystic fibrosis is
A. Sex-linked recessive disorder
B. Autosomal dominant disorder
C. Autosomal recessive disorder
D. Sex-linked dominant disorder
Question : When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as
A. Pseudo-dominance
B. Hypostasis
C. Epistasis
D. Incomplete dominance
Question : Alleles are
A. Alternate forms of genes
B. Linked genes
C. Chromosomes that have crossed over
D. Homologous chromosomes
Question : Mendels findings were rediscovered by
A. Correns
B. De Vries
C. Tschermark
D. All
Question : The smallest unit of genetic material which produces a phenotypic effect on mutation is
A. Muton
B. Gene
C. Recon
D. Nucleic acid
Question : Pea plants were used in Mendels experiments because
A. They were cheap
B. They had contrasting characters
C. They were available easily
D. All of the above
Question : An exception to Mendels law is
A. Independent assortment
B. Linkage
C. Dominance
D. Purity of gametes
Question : Homozygosity and heterozygosity of an individual can be determined by
A. Back cross
B. Self-fertilization
C. Test cross
D. All of the above
Question : Which of the following statements is true regarding the law of segregation?
A. Law of segregation is the law of purity of genes
B. Alleles separate from each other during gametogenesis
C. Segregation of factors is due to the segregation of chromosomes during meiosis
D. All of the above
Question : The crossing of F1 to any of the parent is known as
A. Test cross
B. Back cross
C. F1 cross
D. All of the above
Question : The genotypic ratio of a monohybrid cross is
A. 1:2:1
B. 3:1
C. 2:1:1
D. 9:3:3:1