What are the answers in number 4 & 5?
Q: What are lobi inferiores?
A: The blood vessel that delivers deoxygenated blood to the lungs is known as pulmonary artery.…
Q: How do broad-sense and narrow-sense heritabilities differ?
A: Heritability defines the proportions of the total phenotypic variation that is occurred due to…
Q: What is the significance of the P-Q (P-R) interval?
A: The heart is a muscular pumping organ that passes deoxygenated blood to the pulmonary organ and…
Q: What is the genotypic ratio
A: Dominant seed color-yellow - indicated by RR Recessive seed yellow- green - indicated by rr when…
Q: Differentiate between D-value and z-value.
A: Introduction Sterilization is the process of completely eliminating or destroying all microbial…
Q: According to Figure 1, what is the probability that that next child of the couple marked with an…
A: Osteoporosis is a disease of bone caused by a shortage of calcium and other minerals in bones which…
Q: Can two people with type A blood have a baby with type O blood? Explain your answer using a Punnett…
A:
Q: Can you PLEASE SHOW how you draw the dunnet square for this question!
A: As you asked to draw a punnet square for the question, here is the solution. 1) The alleles of genes…
Q: What does the law of independent assortment state
A: Gregor Mendel is known as the father of genetics. The experiments done by this monk are still useful…
Q: What is the correct order from simple to complex ?
A: In short, Simple form are basic. Complex form is combination of simple systems.
Q: What is Down syndrome ? When does Down syndrome occur ?
A: Human genetic disorders are caused due to the absence or excess or abnormal arrangement of one or…
Q: How and when does nondisjunction occur? What is the result of non-disjunction? In your own words
A: Cell division is the process by which a parent cell divides and makes two or more daughter cells. It…
Q: What is a Pericentric inversion?
A: The chromosomes are the thread like structure that contains hereditary information in the form of…
Q: What causes Turner syndrome?
A: Sex Chromosome abnormalities causes turners syndrome. Persons with turners syndrome are…
Q: What is a test cross, and how do you determine it?
A: Test cross:In genetics, test cross is used to define the genetic makeup of a dominant gene by…
Q: What are high yielding varieties?
A: The plant or a product from an animal that can be harvested for subsistence and profit is called a…
Q: How do I do a punnet square to find out my genotype
A: Genotype is the genetic makeup of an organism. Phenotype is the external appearance of an organism.
Q: Why is the chances of having a child with down's syndrome increases if the age of mother exceed…
A: Down’s syndrome is basically an autosomal genetic disorder that is caused by trisomy at chromosome…
Q: Are all froms of Down Syndrome due to non-disjunction? Explain
A: There are three forms of Down's Syndrome- 1. Trisomy 21 2. Non-disjunction 3. Mosaicism
Q: What is a down syndrome?
A: Humans are diploid organisms,i.e., humans will have two copies for each chromosome in the cells. One…
Q: What color eyes does the father have? *
A: As Brown eyes (B) is dominant to green eyes (b). Then BB - Brown eyes, Homozygous dominant Bb -…
Q: may I ask how you get 12-65 of the leptin's size?
A: Leptin is a protein (hormone) of size 16 kDa (167 amino acids) which is released from the fat cells…
Q: Explain as you would to a 12th grader why, using Punnett squares the probability an offsprint being…
A: The Punnett square is a graphical representation which displays the potential genotypes of an…
Q: How many matching bands does each kitten have?
A: where 1 is the sample of the cat a, b, c and d is a different sample which is used to test with…
Q: What is the cause of Down syndrome?
A: A mutation denotes the manipulation of sequence of the genetic material of a living organism that is…
Q: what will be the the phenotypical ratio?
A: Phenotypic ratio is the probability of observable characters in the off springs after cross…
Q: Give the digrammatic representation showing Labeo rohita?
A: Answer: Introduction: Labeo rohita is also called as rohu. It is a type of fish species of carp…
Q: What are the Five F’s?
A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…
Q: What does the V stands for in the table? Explain
A: Answer: BACTERIA = These are the microscopic microorganisms, which are eukaryotic in nature. Thry…
Q: What is the probability that the child indicated by the question mark will have both disorders?
A: Answer : Let us assume Gg representing allele for Grey's disorder and Oo being the allele for Orange…
Q: How is the standard deviation related to the variance?
A: Sampling is a statistical method of selecting a sample out of a population to make observation and…
Q: Which are two types of yellow peas?
A: Yellow and green split peas have a comparative healthful substance and cooking time, yet yellow peas…
Q: What are idiograms?
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: What is the probability that this man and woman will have a child who is colour blind?
A: Color blindness is an X-linked inheritance, meaning the gene that causes the disorder is present on…
Q: From the cross EEFFGGDd * EEffGgDd, what is the probability will be EEEfGgDd
A: Genotype is the genetic makeup of an organism.
Q: Why are there two bands in the first lane and only one band in the second lane?
A: The bands in the given diagram are biomolecules separated according to their weight.
Q: What is the allele frequency of uppercase a’s?
A: Formula - Allele frequency of a = # of a alleles/total # of alleles
Q: what are the types of down syndrome
A: Down syndrome is a condition in which a person has an extra chromosome. people with Down syndrome…
Q: What are the answers in number 4,5,6?
A: Enzymes are a class of protein except for ribozymes that act as biological catalysts or…
Q: What is 47,XXX Syndrome ?
A: A syndrome is characterized by a collection of medical indications and symptoms that are related to…
Q: What is the probability that parents AaBb and AaBb will have offspring with genotype AaBb
A: A dihybrid cross is a cross given by Mendel . It involves two traits . A ) First trait have two…
Q: What would be the phenotypes for each of the following genotypes for Huntington’s Disease? a. Hh =…
A: Neurodegenerative diseases are a diverse group of disorders. They have a progressive degeneration…
Q: Are all forms of Down syndrome due to non-disjunction?YES or NO?
A: Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or…
Q: What is primary non disjunction?
A: During cell division, in anaphase stage when homologous chromosomes have failed to separate or…
Q: What does this Punnett square illustrate?
A: Punnett square was named after Reginald C. Punnett.It is a diagram used to predict the genotypes of…
Q: How do I construct these punnets squares?
A: Punnet square The Punnett square was first time designed by Reginald C. Punnett. It is use to…
Q: What is karyotype?
A: The deoxyribonucleic acid (DNA) in an organism is stored in a condensed form known as a chromosome.…
What are the answers in number 4 & 5?
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- C. What is the purpose of the ethidum bromide that you add to the gel? Why do you need to be careful handling it? What type of light do you view the gel under if you use EtBr? D. What is the running buffer called that you submerge your gel in? E. What is the purpose of the molecular weight ladder? F. What are the 2 purposes of the DNA loading buffer?"Chargaff's rules" about the composition of bases in DNA dictates that A. the sum of purine residues must equal the sum of pyrimidine residues. B. the sum of A-T base pairs must equal the sum of G-C base pairs. C. the base composition of DNA is the same in all species. D. DNA specimens isolated from different tissues of the same species vary in base composition.1. a) If one DNA segment has the following base composition, 5'-CAGTTAGTCA-3', which of the following sequences is complementary? op 1: 3'-CAGTTAGTCA-5' op 2: 3'-TGACTAACTG-5' op 3: 5'-TGACTAACTG-3' op 4: 3'-TGACTAACTG-5' b) What is the nucleotide sequence of the DNA strand that is complementary to 5'-ATCGCAACTGTCACTA-3' op 1: 5'-TAGCGTTGACAGTGATA-3' op 2: 5'-TAGTGACAGTTGCGAT-3' op 3: 5'-ATCACTGTCAACGCTA-3' op 4: 5'-UAGUGACAGUUGCGAU-3'
- 1. Which of the following are generated due to the twisting of dsDNA? a. Hydrophobic bonds b. Van der Waal forces c. Hydrogen bonds d. Grooves 2. Which of the following terms refers to the annealing of ssDNA to complementary RNA? a. Homologous combination b. Hybridization c. Denaturation d. Telomere lengthening 3. Which of the following completes this statement? The melting temperature of DNA is the temperature at which__________. a. DNA denatures b. DNA bonds are reinforced c. Solid DNA becomes liquid d. Liquid DNA coils1. Below is the base sequence of protein for normal hemoglobin and the base sequence for the sickle cell hemoglobin:Normal: GGG CTT CTT TTTSickle: GGG CAT CTT TTTa. Transcribe and translate the normal and sickle cell DNA. b. Identify this as a point or frameshift mutation. Explain. c. If the base sequence read GGG CTT CTT AAA instead, would this result in sickle cell hemoglobin? Explain.In Noll’s experiment to test the beads-on-a-string model, exposure of nuclei to a low concentration of DNase I resulted ina. a single band of DNA with a size of approximately 200 bp.b. several bands of DNA in multiples of 200 bp.c. a single band of DNA with a size of 100 bp.d. several bands of DNA in multiples of 100 bp
- Which of the following does not contribute to the stability of the DNA? A. The presence of hydrogen between nitrogenous bases. B. Presence of the N-glycosidic bond between the nitrogenous base and phosphate group C. Presence of phosphodiester bond between the sugar and phosphate group on the sugar-phosphate backbone. D. Hydrophobic interaction between stacked nitrogenous bases.1. How does site specific recombination differ from homologous recombination? a. It requires a small and defined sequence similarity between two DNA segments that will recombine. b. It requires a large sequence similarity between two DNA segments that will recombine. c. It involves exonucleases that will recognize the two DNA segments that will recombine. d. It involves endonucleases that will recognize the two DNA segments that will recombine. 2. What will be the consequence if the exonuclease domain of DNA polymerase III is mutated and rendered nonfunctional? a. The polymerase can still elongate the DNA template. b. Mutations due to replication errors will increase. c. There will be no synthesis of the lagging strand d. The primers in the lagging strand will not be removed. 3. Which of the following statements best explains the mechanism for DNA replication? a. It is reductive because half the total DNA present is copied. b. It is conservative because one resulting molecule…Which of the following statements is FALSE regarding the molecular mechanism for DNA polymerases? A. The active site contains 2 divalent metal ions B. A single stranded DNA template is required C. The enzyme can only attach a new deoxynucleotide to the 5’ end of a growing chain D. The 3’OH on the deoyxyribose ring attacks a phosphate of a dNTP to produce a new phosophodiester bond E. None of the above (all are true statements)
- 5. Which of the following alternative steps cannot be employed in the DNA extraction because it would cause denaturation of some DNA? a. Using vodka instead of isopropyl alcohol. b. Using warm isopropyl alcohol instead of cold isopropyl alcohol. c. Using ammonium chloride for the soapy salt solution instead of sodium chloride. d. Using unscented and uncolored liquid soap for the soapy salt solution 6. Which property of DNA makes it possible to wrap it around the toothpick? a. DNA has a double-stranded helical structure b. DNA is color white. c. DNA is made up of long and thin strands. d. DNA carries genetic information10. Analyse the following DNA sequences and identify and explain the anomalies you observe. Ifthere is no anomaly specify that as well. a.) 5’ A A T C T A G C T A A T T C G C A A A T T A A T C G 3’3’ T T A G A T C G U T T A A G C G T T U A A T T A G C 5’A key difference between the original Holliday model and the double-strand break model is the way thata. the DNA strands are initially broken.b. branch migration occurs.c. a heteroduplex is formed.d. resolution occurs.
