Genetics

Chromosomal Abnormalities – Variations And Changes Caused By It Chromosomal abnormalities or chromosomal aberration are two terms used when there is variation or change in number of chromosomes or in arrangement of genes. Genetic variations are indispensable to the process of evolution and to the individual identity of members of any species. Alleles are one source of such variations. The ...

Following are the important genetics test questions and answers for exams and papers. Students can prepare their quiz, monthly tests, final exams right here at botanystudies.com. What is hybridization? Give its uses? Ans: It is a traditional technique. The crossing of different varieties of plants species is called hybridization. Hybridization is used to produce plants with desirable traits. Vegetative propagation ...

Following are the important genetic engineering exam questions and answers for exams, quiz and tests. Students can prepare these important questions. What is genetic engineering? Ans: The process of manipulating genes, usually outside the organism’s normal reproductive process is called genetic engineering or genetic modification (GM) or gene splicing. Give uses of genetic engineering? Ans: Make a crop resistant to ...

Following questions are the important for molecular genetics exam questions. Students can prepare these questions for their exams. Name different enzymes involved in replication of DNA? Ans: DNA Polymerase I, DNA polymerase II, Primase and DNA ligase. Why is primer RNA is synthesized? Ans: The DNA polymerase III can add nucleotides only to chain of nucleotides that is already paired ...

If students are looking for important questions for linkage and crossing over test questions. Here are important questions students can prepare these questions for tests and exams. Define crossing over? Give its significance? Ans: The exchange of segments between non-sister chromatids of homologous chromosomes during meiosis is called crossing over. It produces variations. What are linked gene? How can linked ...

Here we are at botanystudies.com giving you important questions of sex linked inheritance test questions. Students are searching for inheritance and genetic important questions from notes, from books and many other resources. How many chromosomes are present in male and female grasshopper? Ans: The numbers of chromosomes in male are 23. It has 11 pairs and one X chromosome. So, ...

Following are the important Mendelian genetics questions and answers. Students can prepare these test questions to prepare for their exams. What is Clinical genetics? Ans: It includes the training of genetists to diagnose, treat and counsel patients with genetic disorders or syndromes. Who did discover Mendel’s work? Ans: Mendel’s work was discovered by three European scientists, Hugo de Vries, Carl Correns ...

Following are the important questions for chromosomal aberration. students can prepare these questions for their test and exam. What are chromosomal aberration? How are they caused? Ans: Any numerical or structural change in the usual chromosome complement of a cell or organism is called chromosome aberration. There are two types of chromosomal aberrations Changes in the number of chromosomes: Aneuploidy ...

What is Reproduction? Give it types? Ans: The process of production of offspring from parents for the survival of species. There are two types of reproduction. The first is type of reproduction is sexual reproduction and the second is asexual reproduction. What is mitosis? In which cells does it take place? Ans: The type of cell division in which number ...

In in vitro methods of germplasm conservation, the first germplasm conservation method is the Cryopreservation. Rest of the methods are as follow: In Vitro Methods of Germplasm Conservation (a) Cryopreservation in Cryopreservation (Greek- krayos-frost) In this case the cells are preserved in the frozen state. The germplasm is stored at a very low temperature using Solid carbon dioxide (at -790C) Using low temperature deep ...