Crossing over
Understanding Crossing Over in Genetics
Test your knowledge about crossing over and its role in genetics with this engaging quiz! This quiz explores essential concepts related to genetic recombination, the mechanisms behind crossing over, and its implications in heredity. Perfect for students and enthusiasts alike!
- 8 thought-provoking questions
- Multiple choice format
- Enhance your understanding of genetic processes
Crossing over takes place in the
(a) Diakinesis stage
(b) Anaphase stage
(c) Pachytene stage
(d) Leptotene stage
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) Pleiotropy
(d) Epistasis
Crossing over in diploid organism is responsible for
(a) Recombination of linked genes
(b) Segregation of alleles
(c) Dominance of genes
(d) Linkage between genes
Which of the following statements about crossing over is most correct
(a) There are so many crossings over possibilities as there are genes on the chromosome.
(b) The farther part of two genes on chromosome, greater are the chances of their crossing over.
(c) Genes placed linearly adjacent on a chromosome have the greatest chances of crossing over.
(d) Crossing over does not occur at a distance of more than 5 map units.
Crossing over that result in genetic recombination in higher organisms occurs between.
(a) Two different bivalents
(b) Sister chromatids of a bivalent
(c) Non sister chromatids of a bivalent
(d) Two daughter nuclei
During crossing over, exchange of chromosomal or genetic material takes place between
(a) two chromatids
(b) two chromosomes
(c) two non sister chromatids of each tetrad
(d) two sister chromatids of each homologue
Crossing over requires an enzyme called
(a) Ligase
(b) Recombinase
(c) Endonuclease
(d) Polymerase
Exchange of segments between paternal and maternal chromosomes during meiosis is
(a) Synapsis
(b) Dyad formation
(c) Bivalent formation
(d) Crossing over
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