Are you looking for Mcqs on Linkage and crossing over? If Yes then you are at right place. Here you will find Linkage and crossing over Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Linkage and crossing over Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Linkage and crossing over Mcqs. as you know Questions and Ansers on Linkage and crossing over is very important for Neet Exam. In this Linkage and crossing over MCQ section for Neet competition we are covering MCQS on Linkage and crossing over
Question : Where does this evidence come from? – crossing over takes place at a four-stranded stage and not at two stranded stages of chromosomes.
A. studies on linkage maps of chromosomes in Drosophila
B. studies of meiosis in maize
C. 4:4 organization of ascospores in Neurospora
D. 2:2:2:2 organization of ascospores in Neurospora
Question : This is the reason why Mendel did not recognize linkage phenomenon in his experiments
A. he studied only pure plants
B. he did not have a powerful microscope
C. characters he studied were situated on different chromosomes
D. many chromosomes to handle
Question : Repulsion and coupling are two faces of
A. mutation
B. chiasmata
C. linkage
D. crossing over
Question : Alleles of different genes that are on the same chromosome can occasionally be separated by a phenomenon called
A. crossing over
B. continuous variation
C. epistasis
D. pleiotropy
Question : If the percentage of crossing over between two genes is 10, then the distance between two genes will be
A. 5 morganoid
B. 10 morgan
C. 20 centimorgans
D. 40 map units
Question : Percentage of crossing over is more when
A. genes are located in a different cell
B. genes are not linked
C. linked genes are located close to each other
D. linked genes are located far apart from each other
Question : There are 4 pairs of chromosomes in a Drosophila. The linkage groups present in it are
A. one more than the pair of chromosomes
B. one less than the pair of chromosomes
C. four
D. eight
Question : Crossing-over takes place in the
A. Diakinesis stage
B. Anaphase stage
C. Pachytene stage
D. Leptotene stage