Biology and Genetics

You are trying to determine if two traits are linked or are located on separate

You are trying to determine if two traits are linked or are located on separate chromosomes. The A locus controls leaf color and A is completely dominant to a, and produces purple…

You are trying to determine the inheritance of coat color in dwarf hamsters. Coa

You are trying to determine the inheritance of coat color in dwarf hamsters. Coat color e 19. may be black, brown, gray or white. You have information from a number of families wh…

You are trying to determine the linkage relationship for two genes in tomatoes.

You are trying to determine the linkage relationship for two genes in tomatoes. You make a test cross between a plant heterozygous for the traits of purple stems (p) and hairy (h)…

You are trying to determine the relative order of three genes involved in lactos

You are trying to determine the relative order of three genes involved in lactose metabolism, lacA lacZ and lacY. They all map by conjugation to 11 min on the E.coli chromosome. Y…

You are trying to determine the relative order of three genes involved in lactos

You are trying to determine the relative order of three genes involved in lactose metabolism, lacA lacZ and lacY. They all map by conjugation to 11 min on the E.coli chromosome. Y…

You are trying to determine the relative order of three genes involved in lactos

You are trying to determine the relative order of three genes involved in lactose metabolism, lacA,lacZ and lacY. They all map by conjugation to 11 min on the E.coli chromosome. Y…

You are trying to determine the structure of a protein that you know is pure. Yo

You are trying to determine the structure of a protein that you know is pure. You carry out a series of experiments on this protein. The results are listed below. Describe what yo…

You are trying to determine when and where a newly discovered Drosophila gene is

You are trying to determine when and where a newly discovered Drosophila gene is expressed during embryogenesis. You decide to use two approaches: 1) Perform in situ hybridization…

You are trying to determine whether infection of neurons with coxsackie virus ca

You are trying to determine whether infection of neurons with coxsackie virus causes apoptosis. You decide to look at cytochrome c and DNA fragmentation in your cells. Which of th…

You are trying to enrich a new unusual endospore-forming microbe that has been r

You are trying to enrich a new unusual endospore-forming microbe that has been reported to exist. It is a caultatively anaerobic, anoxygenic photosynthetic microbe. Its photosynth…

You are trying to find genes that affect fruit size in strawberries. You cross a

You are trying to find genes that affect fruit size in strawberries. You cross a small and large fruited individual, and then backcross to the large fruit parent type. You then ph…

You are trying to find the cholesterol-deficiency mutation in Holstein calves on

You are trying to find the cholesterol-deficiency mutation in Holstein calves on the chromosome to the left and find a significant association of disease with SNP a, which is a G …

You are trying to find the gene responsible for a human genetic disorder. You ha

You are trying to find the gene responsible for a human genetic disorder. You have mapped the gene to a particular chromosome region, and examining the human genome sequence for t…

You are trying to fish in the tidal flats near Charleston, SC. You check the tid

You are trying to fish in the tidal flats near Charleston, SC. You check the tide charts since the marina only has water at high tide to float your boat. How many high tides would…

You are trying to get a better understanding of why the Oct4 transcription facto

You are trying to get a better understanding of why the Oct4 transcription factor is so important for regulation of stem cell identity. You decide to use a CHiP-seq assay and a ye…

You are trying to identify DNA regulatory sequences that control the expression

You are trying to identify DNA regulatory sequences that control the expression of a gene encoding a SAUR protein. The SAUR gene is expressed at high levels in auxin treated seedl…

You are trying to identify DNA regulatory sequences that control the expression

You are trying to identify DNA regulatory sequences that control the expression of a gene encoding a SAUR protein. The SAUR gene is expressed at high levels in auxin treated seedl…

You are trying to identify a non-chordate invertebrate with a segmented body, a

You are trying to identify a non-chordate invertebrate with a segmented body, a crosssection of its body is below: 2. (6 points) You are trying to identify a non-chordate inverteb…

You are trying to identify the fungal organism below, observing its hyphae along

You are trying to identify the fungal organism below, observing its hyphae along with another cell type you believe is part of the same organism: 2. [11 points] You are trying to …

You are trying to improve growth in an economically important fish species. Thes

You are trying to improve growth in an economically important fish species. These fish have a gene that controls their size. There are two size alleles; L and S. You cross a large…

You are trying to locate an enzyme-producing gene in Drosophila , which you know

You are trying to locate an enzyme-producing gene in Drosophila, which you know is located on the third chromosome. You have five strains with deletions for different regions of t…

You are trying to locate an enzyme-producing gene in Drosophila , which you know

You are trying to locate an enzyme-producing gene in Drosophila, which you know is located on the third chromosome. You have five strains with deletions for different regions of t…

You are trying to map the location of a gene that causes a childhood deafness di

You are trying to map the location of a gene that causes a childhood deafness disorder. Although you know it is not X-linked, you know nothing more about the gene's location. Your…

You are trying to purify each of the proteins in a mixture of three proteins lis

You are trying to purify each of the proteins in a mixture of three proteins listed below: Name          MW (kDa)                 pI A                       30                    …

You are trying to purify the enzyme Rubisco. The SDS- PAGE gel of the different

You are trying to purify the enzyme Rubisco. The SDS- PAGE gel of the different purification steps are shown. Exactly 25 mu g of TOTAL protein was loaded into each lane. Based on …

You are trying to reproduce the Hershey-Chase experiment. Unfortunately you have

You are trying to reproduce the Hershey-Chase experiment. Unfortunately you have run out 32P, so you use 13N (which is radioactive) in place of 32P. Otherwise you reproduce all of…

You are trying to separate protein X from other proteins A and B in a solution.

You are trying to separate protein X from other proteins A and B in a solution. There proteins have the following properties: Protein pI Molecular weight (Da) Protein A 8.5 90,000…

You are trying to understand how cell shape changes shape in response to treatme

You are trying to understand how cell shape changes shape in response to treatment with a particular chemical. Upon treatment, normal wild type (WT) cells are convert from a flatt…

You are trying to use Electromagnetic Methods to investigate the structure of th

You are trying to use Electromagnetic Methods to investigate the structure of the water table, which is in a sand and gravel unit that you estimate is at about 50 m depth. Above t…

You are trying to use Electromagnetic Methods to investigate the structure of th

You are trying to use Electromagnetic Methods to investigate the structure of the water table, which is in a sand and gravel unit that you estimate is at about 50 m depth. Above t…

You are using QTL mapping to find the locations of genes contributing to variati

You are using QTL mapping to find the locations of genes contributing to variation in obesity in mice. You cross a high obesity mouse with a low obesity mouse, cross the F1, and g…

You are using SNPs (Single nucleotide polymorphisms) to map a leprosy resistance

You are using SNPs (Single nucleotide polymorphisms) to map a leprosy resistance trait (autosomal recessive) in armadillos. You have two strains, San Antonio (resistant) and Austi…

You are using a Suunto clinometer to determine tree height. Standing 25 metres d

You are using a Suunto clinometer to determine tree height. Standing 25 metres directly across slope from the base of the tree and reading from the percent (%) side of the measure…

You are using a gravity tractor to change the trajectory of an NEO on a collisio

You are using a gravity tractor to change the trajectory of an NEO on a collision course with Earth. Unless the trajectory is altered, the NEO will impact the Earth 20 years hence…

You are using restriction maps in an newly discovered linearVirus genome. Follow

You are using restriction maps in an newly discovered linearVirus genome. Following enzyme digests, the products areseparated by DNA electrophoresis to yield the followingresults.…

You are very concerned about the number of homicides and suicides you have seen

You are very concerned about the number of homicides and suicides you have seen recently in the local newspaper. You feel that something needs to be done to address this and other…

You are very concerned about the number of homicides and suicides you have seen

You are very concerned about the number of homicides and suicides you have seen recently in the local newspaper. You feel that something needs to be done to address this and other…

You are visiting a doctor who works with Medicines Sans Frontiers in Chad, in he

You are visiting a doctor who works with Medicines Sans Frontiers in Chad, in her clinic in a rural village. the village is six hours by truck from the nearest hospital, although …

You are visualizing an amoeba with a regular microscope slide under a microscope

You are visualizing an amoeba with a regular microscope slide under a microscope and you notice that the specimen seems unusually flat and is not moving compared to a video of an …

You are volunteering at a psychiatric ward for the summer. On your first day. a

You are volunteering at a psychiatric ward for the summer. On your first day. a man comes up to you and says you have very pretty eyes and asks your name. You thank him and give h…

You are volunteering at a psychiatric ward for the summer. On your first day. a

You are volunteering at a psychiatric ward for the summer. On your first day. a man comes up to you and says you have very pretty eyes and asks your name. You thank him and give h…

You are volunteering in a foreign rural health clinic in a poor community and su

You are volunteering in a foreign rural health clinic in a poor community and suspect a malnourished patient has iron deficiency anemia. The basic reagents for blood smears are th…

You are volunteering in a lab studying large eared bats. The ultimate goal of th

You are volunteering in a lab studying large eared bats. The ultimate goal of the research project is to see how the bats respond to local cleaning of caves—a new effort to reduce…

You are vying for the position of executive director of a new health care organi

You are vying for the position of executive director of a new health care organization that is being formed anticipating effects from the recent major changes in health care payme…

You are walking around a stack of books at the library when you hear a woman cry

You are walking around a stack of books at the library when you hear a woman crying, saying, " I think he's dead." You see an older man on the floor of the library. As you move th…

You are walking out of your advisor\'s office after an hour long meeting where D

You are walking out of your advisor's office after an hour long meeting where Dr Feeble kept trying to convince you that the B cell response to your newly discovered peanut allerg…

You are walking through the forest and suddenly SEE a giant bear which freaks yo

You are walking through the forest and suddenly SEE a giant bear which freaks you out making your heart pound and you run away... these responses are referred to as emotional expr…

You are walking through the forest and suddenly SEE a giant bear which freaks yo

You are walking through the forest and suddenly SEE a giant bear which freaks you out making your heart pound and you run away... these responses are referred to as emotional expr…

You are wanting to breed a herd of super-cattle, which will be heavier than othe

You are wanting to breed a herd of super-cattle, which will be heavier than other cattle in Nebraska. You start with a population with a mean weight of 1450 lbs. You select the to…

You are watching Jerry Springer while in the jury pool room. Jerry is doing a re

You are watching Jerry Springer while in the jury pool room. Jerry is doing a really detailed show called Who’s My Baby Daddy? There’s a kid, his mom, and three potential fathers:…