MCQ1: An individual which cntains only one allele at the allelic pair is refered to as Answer: Homozygote MCQ 2: The specific allelic combination for a certain gene or set of genes is called Answer: Genotype MCQ 3: The nitrogen base in DNA is Answer: Thiamine MCQ 4: Ribose is the sugar found in Answer: RNA only MCQ 5: Adenine, Guanine, Cytocine are nitrogen bases for DNA and RNA Answer: True MCQ 6: A strand of DNA is made of four building blocks abrevated as A, T, G, and C Answer: True MCQ 7: Flow of information from DNA to RNA is called Answer: Transcription MCQ 8: The informational DNA segments that make up genes are called Answer: Exons MCQ 9: A mutation is a change in Answer: DNA MCQ 10: Mutation happens for several reasons Answer: True MCQ 11: rDNA stands for recombinant DNA Answer: True MCQ 12: An endonuclease is an enzyme that cuts duplex DNA in the middle Answer: True MCQ 13: DNA is sometimes called the Answer: the blue print of life MCQ 14: Nucleotides are also called bases Answer: True MCQ 15: Genes are small segments of a long molecule called DNA Answer: True MCQ 16: Most genes come in pairs and are made of strands of genetic material called Answer: DNA MCQ 17: Genes are organized structure called Answer: Chromosomes MCQ 18: DNA replication is semi-conservative Answer: True MCQ 19: An animal whose hereditary DNA has been augmented by addition of DNA from a source other than parental germplasm is called Answer: Transgenic animals MCQ 20: Artificial insemination technology use is still more generally associated with dairy cattle than other domestic animals Answer: True MCQ 21: Heyduck and Hennerberg discovered the large-scale use of yeast in food industry Answer: True MCQ 22: Fermentation to produce foods fermentation is the ancient biotechnological discovery Answer: True MCQ 23: The advances in recombinant DNA technology have occurred in parallel with the development of genetic processes and biological variations Answer: True MCQ 24: The invention of better microscopes allowed biologists to discover the basic facts of cell division and sexual reproduction in the year Answer: 1820's MCQ 25: The discovery of certain traits showing up in offspring without any blending of parent characteristics was made by Answer: Mendel MCQ 26: The specific allelic combination for a certain gene or set of genes is reffered too as Answer: Genotype MCQ 27: An allele whose expression is suppressed in the presence of a dominant allele is referred to as Answer: recessive MCQ 28: A cross between parents that differ at a single gene pair is referred to as Answer: Monohybrid MCQ 29: The cross of an F1 hybrid to one of the homozygous parents is referred to as Answer: Back cross MCQ 30: The cross of any individual to a homozygous recessive parent is referred to as Answer: Test cross MCQ 31: Nucleic acids were discovered in Answer: 1868 MCQ 32: DNA is sometimes called Answer: Blue print of life MCQ 33: DNA is a long, but narrow string-like object Answer: True MCQ 34: A one foot long string or strand of DNA is normally packed into a space roughly equal to a cube 1/millionth of an inch on a side Answer: True MCQ 35: Information is stored or encoded in the DNA polymer by the pattern in which the four nucleotides are arranged Answer: True FBQ1: The genes for interdependently assorted traits are located on different …………… Answer: Chromosomes FBQ2: A nucleic acid is a long molecule made up of smaller molecules called _________________ Answer: Nucleotides FBQ3: A strand of DNA is made up of tiny building blocks. True or False ____________ Answer: True FBQ4: If the DNA doesn't encode anything, it is called ______________ Answer: Junk DNA FBQ5: Three kinds of RNA are identified, the largest subgroup being_____________ Answer: mRNA FBQ6: The size of rRNA molecules varies, but is generally less than a thousandth the size of_______________ Answer: DNA FBQ7: The ----------------- (1980) define biotechnology as the application of biological organisms, systems or processes to the manufacturing and services Answer: Spinks FBQ8: Harrisson made the beginning of animal tissue culture technique in ---------------------------using frog tissue Answer: 1970 FBQ9: ----------------is referred to as an individual which contains only one allele at the allelic pair Answer: Homozygote FBQ10: --------------- is referred to as flow of information from DNA to RNA Answer: Transcription FBQ11: ---------- are small segments of a long molecule called DNA Answer: Genes FBQ12: These number and order of the bases spell out the language known as the ----------------- Answer: Genetic code FBQ13: Gametes are produced by a process called --------------- Answer: Meiosis FBQ14: A key feature of meiosis is the exchange of chromosome pieces which occurs in the first division of this process, called Answer: Recombination FBQ15: ------------ is the process where DNA makes a copy of itself. Answer: Replication FBQ16: Separation of a portion of the double helix takes place at a site called Answer: Replication fork FBQ17: DNA replication is ---------------- Answer: Semi conservative FBQ18: ------------------------- is the code used to produce proteins. Answer: DNA FBQ19: The message encoded in RNA is read in three-letter words called ------- Answer: Codons FBQ20: A cell's protein synthesis takes place in organelles called ------- Answer: Ribosomes FBQ21: Hereditary mutations are inherited from a ------------ Answer: Parent FBQ22: Somatic mutations that happen in a single cell early in embryonic development can lead to a situation called ----- Answer: Mosaicism FBQ23: ---------------- are essential to evolution; they are the raw material of genetic variation Answer: Mutation FBQ24: Protein-coding DNA can be divided into ----------- Answer: Codons FBQ25: Cloning ----------------------------- can be done in unicellular microbes like E. coli, unicellular eukaryotes like yeast and in mammalian cells grown in tissue culture.S Answer: In vivo FBQ26: .------------------- are molecules of DNA that are found in bacteria separate from the bacterial chromosome Answer: Plasmids FBQ27: PCR is an abbreviation for -------------- Answer: polymerase chain reaction FBQ28: DNA fragments of different sizes can be separated by an electrical field applied to a ------------ Answer: Gel FBQ29: The DNA from crime-scene evidence or from a reference sample is cut with something called ------------- Answer: Restriction enzyme. FBQ30: -------- consists of recovery of eggs from the ovaries of the female then maturing and fertilizing them outside the body until they are ready for implantation into foster females. Answer: in vitro FBQ31: ------------- has been used to introduce foreign genes into the animal genome or, alternatively, to knock out selected genes. Answer: Genetic engineering FBQ32: ------------- technology now provides an alternative route for cell-based transgenesis in domestic species, offering new opportunities for genetic modification. Answer: Nuclear transfer FBQ33: --------- remains one of the most economical means of preventing specific diseases. Answer: Immunisation FBQ34: Recombinant bovine somatotropin (BST) is a genetically engineered synthetic analog of the …………hormone. Answer: Natural growth FBQ35: ----------------------- the sheep was created in Scotland in 1997 by the nuclear transfer technique Answer: Dolly