What Darwin Never Knew. Why were humans shocked by the total number of human genes(based on the human genome project) ? What is a “genetic switch” in DNA? How is it important to evolution of new species? Give an example of how a genetic switch alters the physical appearance of an organism. What makes all the difference in the shape of the finch beaks?

Q: A piece of human DNA is treated with two common restriction enzymes. The DNA piece in question is 50…

A: Restriction enzymes are a specific group of enzymes that can recognize a specific short sequence of…

Q: Helping a student w this can you help with the diagram? Her answer is fine I need help with the…

A: The objective of the question is to understand the role of primers in a PCR reaction, how they can…

Q: Backward? Bacteriophage T7 helicase moves along DNA in the 5'-to- 3'5'-to-3' direction. Other…

A: The helicase is the protein complexes that are known to separate the DNA strands using the ATP as an…

Q: Which statement best describes how Watson and Crick's model used other scientists' work to create a…

A: According to Watson and Crick's model, the strands of the DNA are twisted around each other in order…

Q: Pick a plasmid . What was its approximate transformation? Express it in # colonies per microgram of…

A: Transformation is the ability of a bacterial cell to pick up naked DNA from the environment.

Q: ЗА. This DNA after Bsal digestion, produces a DNA fragment with sticky ends as shown in the figure…

A: Introduction :- DNA strands are digested with the help of various restriction enzymes .Bsal is an…

Q: Use the following sequence data to assign haplotypes and build a haplotype network for a 200 bp…

A: In its broadest meaning, a haplotype refers to a collection of DNA variants along a chromosome that…

Q: Give typed full explanation  there are about 28,000 copies of zinc finger domains in the human…

A: Zinc finger domains are highly conserved DNA-binding protein motifs which play important roles in…

Q: 10. The amino terminus of a wildtype enzyme in yeast has the amino acid sequence…

A: In this experiment, we investigated the effects of two mutations on the production of a tripeptide.…

Q: Source E coli 23.9 24.9 25.2 26.0 Yeast 31.3 32.9 18.7 17.1 Sea urchin 32.8 32.1 17.7 18.4 Rat 28.6…

A: DNA is a double-helical structure that is composed of two antiparallel strands that are wound to…

Q: concept defines a species as a group of organisms that are capable of exchanging Mayr's genes. O…

A: Mayr's gave biological species concept.  According to this concept " species are groups if…

Q: 16. Study the table below. Organism Pair Percentage of DNA Similarity A-B 97 A-C 85 A-D 50 a. To…

A: Sequence Homology The sequence of homology is defined as the similarities between the DNA sequence…

Q: High-throughput sequencing reveals 30 new mutations have occurred in the coding regions of genes in…

A: Answer:- Option E is correct

Q: help

A: The cis acting factors are present in the vicinty of a gene.  The trans acting factors are produced…

Q: . Complete genome sequences indicate that the humangenome has roughly 27,000 genes, while the…

A: Genome is the set of genes and the collection of all information on the human genome as well as…

Q: Build a 3D model of a DNA molecule: -3-dimensional built structure -Contain sugar-phosphate…

A: The DNA or the deoxyribonucleic acid is the polymer of nucleotides present in the nucleus in the…

Q: es or no?   during situ hybridization digoxygenin can be recognized by antibody.   Does pcr…

A: The polymerase chain reaction (PCR) is an effective method for amplifying nucleic acids (DNA or RNA)…

Q: True or False? While transposons need to move to reproduce and to distribute to new hosts, the…

A: answer 1 A cut-and-paste process allows DNA transposons to transfer from one genomic region to…

Q: Your entire genome is about 6.4 billion basepairs long. If 41% of the human genome is either…

A: Genome  Genome is the heritable entity of organism which can transfer from parents to their…

Q: o many variants for this gene, MC4R. What sort of selection process might be in play here? Explain…

A: Speciation in the genes can cause to bring new distinctive forms of gene and selection can bring…

Q: The gel below is the result of a Sanger sequencing run of part of Exon 3 of the Mstn gene, which…

A: Given: A gel. This gel shows the result of a Sanger sequencing run of part of Exon 3 of the Mstn…

Q: How did Chargaff's rules contribute to Watson and Crick's elucidation of the structure of DNA? O a…

A: The rules suggested the base-pairing combinations of adenine with thymine and guanine with cytosine.

Q: recall that DNA has bases A, C, G, and T. Suppose we invented a DNA2 genetic material that has bases…

A: DNA is the genetic material and stores the genetic information in the form of its nucleotide…

Q: Question 5 An initial sequencing test revealed that the usd1 mutant contains many noise mutations…

A: Introduction The sequence tells scientists the type of genetic information that's carried in a…

Q: Mobile pieces of DNA—transposable elements—that insert themselves into chromosomes and…

A: Transposable elements are the DNA (deoxyribonucleic acid) sequences that can alter their positions…

Q: When comparing evolutionary similarities between different genes within a gene family, it is usually…

A: As we know DNA is the basic Hereditary molecule and encodes the genes that have all information.…

Q: What step in your PCR reaction would be inhibited? Knowing this, if a human was exposed to…

A: A major portion of the archival collections of specimens are fixed in formaldehyde and has been used…

Q: Q - Can you write one sequence of 15 nucleotides that can be produced using this transformational…

A: In this question, we need to find one sequence of 15 nucleotides from the given transformational…

Q: What Darwin Never Knew. What did Darwin not know about when he wrote the Origin of species by…

A: Charles Darwin was the first person who discussed regarding origin of species by natural selection.…

Q: . In analyzing the number of different bases in a DNAsample, which result would be consistent with…

A: The DNA (Deoxyribonucleic acid) comprises two types of nitrogenous bases including the purines and…

Q: Based on the information above, what can you speculate about the possible evolution of the genes…

A: Rab proteins are small GTP-binding proteins within a superfamily of GTPases known as the Ras…

Q: Suppose DNA polymer 1130 bases per minute that bacteria replicates Calculate the total num"…

A: The polymeric molecule deoxyribonucleic acid (DNA) contains repeating nucleotides. Each nucleotide…

Q: Suppose that you are asked to write a new class for DNA. What are the main attributes and functions…

A: Introduction: DNA stands for 'deoxyribonucleic acid' and it is the hereditary material in humans and…

Q: do selective pressures cause mutations? Yes or no, and please explain. What is the relationship…

A: Any cause for organisms with specific phenotypes to have a surviving advantage or disadvantage is…

Q: Q1: Name two base pairs. Q2: Why is the DNA structure referred to as a “ladder”? What part of the…

A: DNA is the genetic material of the cell and is made up of nucleotides. The DNA's full form is…

Q: A. Draw. Use the information shown below to construct a cladogram for some of the organisms.

A: Introduction :- A cladogram is a diagram used in evolutionary biology to represent the evolutionary…

Q: DNA sometimes has chemical groups attached, called methyl groups, that affect gene expression.…

A: Methyl groups on DNA have a significant role in epigenetics and gene regulation and have a strong…

Q: No Genome Left Behind and the Genome 10K Plan. Explain about this ?

A: The world has evolved. Ten years ago, it cost millions of dollars and many rooms filled with…

Q: DNA Structure A. Draw an A-T base pair with the appropriate number of hydrogen bonds. You don’t have…

A: A.  Adenine (A)              Thymine (T)     | |                       | |   -N-H---O=C…

Q: Why DNA methylation needed for DNA replication ? * Your answer What is the general way for…

A: 1.  DNA methylation is the process of adding a methyl group to the DNA sequence. It helps in…

Q: The semi discontinuity in DNA replication. Is it biologically possible for DNA to undergo…

A: Polymerase chain reaction (PCR)  is in-vitro DNA synthesis technique. In PCR replication is not…

Q: SEQUENCE 28 SEQUENCE 21 SEQUENCE 22 SEQUENCE 23 SEQUENCE 24 SEQUENCE 25 SEQUENCE 26 SEQUENCE 27

A: A phylogenic tree represents the evolutionary relationship between species or even proteins. The…

Q: EVOLUTION LINK Explain some of the evolutionary implications that one can conclude from mice and…

A: Introduction  Heritable traits—the hereditary features of an organism—change over the course of…

Q: Match each term with the correct person.

A: In his famous “heat-killed” experiment Griffith proved that hereditary system of one bacterium can…

Q: Pick two. A species of insect that lives solely on pinesap was found to contain a bacterial…

A: The two most probable mechanisms that caused genes to be lost in both partners in this symbiotic…

Q: Dou you agree or disagree with the above statement? If you do, explain the steps molecularly in NGS…

A: Yes. NGS technologies have replaced the old sequencing methods due to various reasons. In principle…