Research on the development of limbs during the 1950's-1960's utilized which of the following techniques?     A) Knock-out genes.     B) Genomic sequencing to identify the presence of genes of interest.     C) Injection of certain gene products into organisms lacking such genes.     D) Microsurgery

Q: Epigenetics addresses a) the mechanism by which the environment alters a person’s genotype. b) the…

A: Answer : Option (C) is correct. ~ the mechanisms that can alter gene expression.

Q: How had DNA Microarray Technology revolutionized the study of gene activity?  a) gene expression in…

A: A DNA microarray (also known as a DNA chip or a biochip) is a collection of tiny DNA patches that…

Q: Describe the following techniques for determining gene or protein function with advantages…

A:

Q: Describe several uses of genetic engineering in human medicine.

A: The genes are formed by the Deoxyribonucleic acid (DNA) of an organism. These genes code all of the…

Q: 67371- Page 5 23) The leg structures of many different vertebrates are quite similar in number and…

A: Evolution is the process of change in living organisms over successive generations. It refers to the…

Q: A large public and private effort went into sequencing the human genome. What did this project hope…

A: This groundbreaking project aimed to unravel the complex genetic code within humans, providing…

Q: Is whole-genome sequencing for an individual beneficial? Why or why not?

A: The process of whole-genome sequencing (WGS) allows for a thorough examination of the complete…

Q: Should freely available access to genetic databases, including genomes, and gene or protein…

A: The NCBI (National centre of biotechnology information) is the center of all the databases and these…

Q: Which of the following mutations is MOST likely to cause cancer? A) a mutation that causes a cyclin…

A: Introduction- Cancer is a caused by the disturbances in the  controls which regulate cells and this…

Q: There are four possible observations that suggest an error occurred in a PCR reaction: a) Sequence…

A: PCR reaction is a method used to amplify a small sample into millions of small ones which help the…

Q: Recessive genes are usually expressed in humans only when ___ a ) they are coding for genetic…

A: There are two alleles of a single trait or a character, one which we are seeing in each generation…

Q: What is the greatest science-based concern associated with the genetic engineering of animals and…

A: Genetic modification is the method of altering an organism's genetic makeup using recombinant DNA…

Q: c) Mendelian ratios d) Genetic screen

A: The forward genetic analysis involves the identification of genes responsible for a particular…

Q: Briefly describe the creation of a transgenic mouse in your lab.

A: A transgene is a gene that has been transferred from one species to another, either spontaneously or…

Q: What is Epistasis? A) When one gene effect another B) When one gene effect multiple phenotype C)…

A: Introduction  Genes are the key component of genetic material which control almost all the cellular…

Q: Which are the Seven model organisms whose genomes were sequenced as part of the Human Genome…

A: Human Genome Project is a well-defined research program that was carried out to sequence the human…

Q: 7) The same basic internal organs (kidneys, stomach, heart, and lungs) are found in frogs, birds,…

A: Introduction :  Homologous organs are ones that have different functions while having similar…

Q: The phenotype of a heterozygous mouse (Aa) is agouti.  The agouti banding pattern is due to altered…

A: * Homozygous dominant and Heterozygous will produce agouti that is AA or Aa respectively  and the…

Q: Explain the Cloning a Gene? Define the different Forms of Cloning ?

A: Gene cloning.

Q: (6) Which of the following descriptions regarding human genetic variations is correct? A) Unlike…

A: SNPs may effect promoter activity or gene expression, messenger RNA ,conformation stability, and…

Q: Production of a large number of genetically similar plants through plant tissue culture is calleda)…

A: When in a suitable growth medium, new plants are produced from a small piece of plant tissue or…

Q: lease write in digital format To mention: a) Types of mutations b) Mutagenic agents c) Genetically…

A: Types of mutations :  1. Point mutations  a) Substitution  b) Insertion  c) Deletion  2. Chromosomal…

Q: With the many high throughput experiments that are used in biomedical research, how are some ways to…

A: High-throughput screening (HTS) is a method for scientific experimentation especially used in…

Q: 11. Using the hypothetical pathway below, determine what proportion of offspring will be Orange if…

A: In this pathway, the presence of orange colour means the absence of C and the presence of A+ B in…

Q: Dolly, the first animal produced by cloning is aa) Cowb) Sheepc) Ratd) Dog

A: Option b, Sheep

Q: Which of the following is an explanation for how there can be differential gene expression…

A: Ans-C) There are unique combinations of transcription factors in different tissues of the organism…

Q: Which type of mutation doesnt affect the ability of an organism to pass on its alleles to the next…

A: Neutral mutation doesnt affect the ability of an organism to pass on its alleles to the next…

Q: What does a restriction enzyme do? O a) Delivers recombinant DNA to target cells. O b) Cuts DNA at a…

A: Recombinant DNA technology is the emerging branch in biotechnology which has a great potential. It…

Q: Removing the patch of tissue called the ZPA from one limb bud and placing into onto another…

A: ZPA is a zone of polarising activity, gives molecular signaling during limb formation in…

Q: What were the results of sequencing the human melanoma and lung cancer genomes?

A: Cancer is a disease caused by the uncontrolled proliferation of cells due to defects in the cell…

Q: Mutations that occur during the process of DNA replication: A) almost always lead to genetic…

A: OptionA This is incorrect because silent mutation are example of such mutation which doesn't cause…

Q: Give an account of the methods used in sequencing the human genome?

A: Genotype is the genetic makeup of an organism. Human Genome Project includes the sequencing and…

Q: Transgenic organisms are generallya) Extinct organismsb) Naturally occurring and endemicc) Produced…

A: Transgenic organisms are also called as genetically modified organism as they have a foreign DNA…

Q: A 26 kb chromosomal deletion causes the loss of gene ALPHA. This mutant allele of gene ALPHA is best…

A: The question is asking us to identify the type of mutation that best describes a situation where a…

Q: Some people with neurofibromatosis develop blemishes on their skin, while others are severely…

A: Neurofibromatosis is a genetic disorder that causes tumors to form on nerve tissue. These tumors can…

Q: A controversial issue, closely related to cloning, that has caused a lot of debate is the use of…

A: Based on the above statements , I would go in for of stem cell research.  By definition, stem-cell…

Q: Define the uses of Sanger sequencing technologies ?

A: Deoxy ribonucleic acid DNA is a molecule used in the development and functioning of all known living…

Q: #17 You have isolated a gene that is important for the production of milk and wish to study its…

A: Orthologous genes are those which encode for the same protein which performs the same functions but…

Q: Segregation and independent assortment are LEAST likely to be exhibited by genes in a) Escherichia…

A: Cell division is an important process for cells to divide and increase their number. Meiosis cell…

Q: Which of the following is NOT true regarding Hox genes.     A) The sequence they appear in their…

A: Hox genes: Hox genes are a group of similar genes that define parts of an embryo's structure along…