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In organism A, blue skin color is dominant over yellow, so when the heterozygotes' parents are crossed, then out of 5000 offspring, there will be 1250 (option A that is nearly 1259)with offspring with yellow skin color, which is 25%, and the rest 3750 are blue.
What is the significance of the gene and its frequency?From the cross of two heterozygous blues, there is 25% of purebred blue, 50% of heterozygous blue, and 25% of purebred yellow, so out of 5000, 25% is 1250, which is nearly equal to the 1259.
Hence, in organism A, blue skin color is dominant over yellow, so when the heterozygotes' parents are crossed, then out of 5000 offspring, there will be 1250 with offspring with yellow skin color, which is 25%, and the rest 3750 are blue.
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Related Questions
Question 18 Research applications of the basic principles of genetics have greatly contributed to the rapid development of new varieties of plants and animals. Which activity is an example of such an application? selective breeding of organisms that exhibit high resistance to disease testing new fertilizers on food crops to see if they affect growth developing new irrigation methods to conserve water A B C D using natural predators to control insect pests
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The application of the basic principles of genetics that have greatly contributed to the rapid development of new varieties of plants and animals is: selective breeding of organisms that exhibit high resistance to disease
The correct option is A.
What is selective breeding?Selective breeding is the process by which organisms with a particular trait are selectively bred.
By picking which generally animal or plant men and females would mate sexually and create offspring together, humans can selectively generate specific phenotypic features through animal and plant breeding.
Selective breeding applies the principles of genetics.
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Which of the following transport processes would be most likely to move a non-polar gas like CO2 across the plasma membrane? Select an answer: a.diffusionb.secondary active transportс.exocytosis Submit Unanswered
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Transport process that would be most likely to move a non-polar gas like CO2 across the plasma membrane is diffusion (a)
Can carbon dioxide pass through the membrane easily?
Cell membranes are selectively permeable, regulating which substances can pass through and how much the substance can enter or exit. Certain molecules can cross the membrane directly, while others must pass through membrane proteins or even need energy. It is influenced by the properties of phospholipid bilayer in cell membrane. The phospholipids of plasma membranes have both hydrophilic (water-loving) and hydrophobic (water-fearing) regions.
Polar and charged molecules have difficulty crossing the hydrophobic part. For small nonpolar molecules, such as O2 and CO2, which soluble in the lipid bilayer, can readily pass through the cell membranes. The form of transport which is undergo by CO2 is passive transport. It include osmosis and diffusion, because does not require energy. For example, the diffusion of CO2 goes in to the leaf.
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The transport process that would be most likely to move a non-polar gas across the plasma membrane is diffusion. Therefore, the correct answer is A.
The diffusion transport process is a type of passive transport that occurs when molecules move from an area of high concentration to an area of low concentration. This process does not require any energy input from the cell and occurs naturally as a result of the random motion of molecules.
Diffusion is an important process in living cells as it allows for the movement of substances such as oxygen, carbon dioxide, and nutrients across cell membranes. It can occur in both liquids and gases and is a key mechanism for the exchange of substances within and between cells.
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the sequence of events illustrated in this figure results in a fertile hybrid plant called an allopolyploid. which of the following statements is the most complete description of an allopolyploid?
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An allopolyploid is a person or strain whose chromosomes are made up of more than two genomes, each of which has been obtained from one or more other species and is more or less complete but perhaps changed.
Allopolyploids are typically viable, but why?
When two closely related species mate, a hybrid that has chromosome sets from both parent species is created, which is known as allopolyploidy.
How can allopolyploidy contribute to speciation directly?
An essential method of speciation, allopolyploidy can provide the building blocks for evolution. Allopolyploidy can lead to the emergence of new species when the genetic material produced as a result of allopolyploidy is too distinct to mix with the ancestral species, leading to speciation.
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Complete the following statements by writing the appropriate word or phrase on the correspondingly numbered blank: The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and .... , which forms the epidermis. The tough water-repellent protein found in the epidermal cells is called . .. . The pigments melanin and .... contribute to skin color. A localized concentration of melanin is referred to as a .... . (choice: 1.stratified squamous epithelium 2.keratin 3.carotene 4.freckle)
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The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and stratified squamous epithelium, which forms the epidermis.
The tough water-repellent protein found in the epidermal cells is called keratin.
The pigments melanin and carotene contribute to skin color.
A localized concentration of melanin is referred to as a freckle.
What is tissue?A group or layer of cells that collaborate to carry out a certain function. A tissue is formed when a group of cells collaborate to accomplish the same function in unison. Blood, for example, is a fluid connective tissue, as are bones. Tissue is a collection of cells that have a similar structure and act as a unit. The body's tissues are classified into four types: epithelial, connective, muscular, and nerve tissue. Tissues make up all bodily components, including the organs.
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Classify the key elements of replication, transcription, and translation according to the process to which they belong.
RNA polymerase
exons and introns
ribosomes
primers
okazaki fragments
DNA polymerase
aminoacyl-tRNAs
promoter
codons and anticodons
Expert Answer
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The key elements of replication, transcription, and translation are according to the process to which they belong:
Replication
DNA polymeraseOkazaki fragmentsprimerTranscription
RNA polymerasepromoterexons and intronsTranslation
ribosomescodons and anti‑codonsaminoacyl-tRNAsDNА replicаtion is the process thаt involves copying of genetic mаteriаl from а DNА molecule to form аnother new DNА molecule, the old DNА molecule аcts аs the templаte, the process tаkes plаce in the nucleus by the enzyme DNА polymerаse. Trаnscription is the process where DNА molecule is used to form а messenger RNА using DNА molecule аs а templаte. The process tаkes plаce in the nucleus аnd is undertаken by enzyme RNА polymerаse. Trаnslаtion involves formаtion of polypeptides (proteins) from the messenger RNА, it tаkes plаce in the cytoplаsm, involves reаding of the mRNА codons by the tRNА аnticodons.
Your question is incomplete, but most probably your full question can be seen in the Attachment.
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Many small carbohydrate molecules react upon heating with a copper-containing compound called Benedict's reagent, changing the reagent color from blue to orange or red. Monosaccharides always react with Benedict's solution, disaccharides may or may not react with Benedict's solution, and polysaccharides never react with Benedict's reagent. Below are the four solutions we will be testing for sugars with Benedict's solution. think about which solutions will react with Benedict's solution: Solution #1 - Distilled Water Solution #2 - Glucose Solution #3 - Egg Albumin Protein Solution #4 - Starch Here is the setup for the experiment:
2 mL
of each solution above is added to test tubes and then
2 mL
of Benedict's solution is added: Notice that the color of the Benedict's solution starts out blue. All of the solutions are incubated at
80 ∘
C
for 10 minutes to cause a reaction if one will occur. If a reaction occurs the solution will turn orange. Which of these is the Control Group in the Benedict's experiment above?
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In the experiment of testing the solutions (distilled water, glucose solution, egg albumin protein and starch) with Benedict's reagent, the control group will be distilled water because it contains no carbohydrate.
Carbohydrates are the biopolymers comprised of polyhydroxy aldehydes or ketones. They are categorized as: monosaccharides, disaccharides and polysaccharides. They can exist in various forms like sugars, fibers, and starches.
Benedict's reagent is a chemical reagent used to perform a chemical test for the presence of reducing sugars in any solution. Reducing sugars are those that have the potential to act as a reducing agent. They must possess a free aldehyde or ketone group to be reduced.
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Classify each statement or picture as applying to gram-positive bacteria, gram-negative bacteria, or both. 1. alcohol rinse easily2. removes crystal violet3. have a plasma4. membrane5. have a thin6. peptidoglycan layer7. alcohol rinse does not8.remove crystal violet9. have a thick10. peptidoglycan layer11. appear purple after Gram staining12. appear pink after Gram staining13. have an outer membrane14. as part of their cell wall structure15. gram-positive bacteria16. gram-negative bacteria
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Gram-positive bacteria and gram-negative bacteria are two distinct classes of bacteria that differ in their cell wall structure. These differences are significant as they impact the way bacteria respond to antibiotics and other treatments.
Gram-positive bacteria have a thick layer of peptidoglycan, a complex sugar and protein molecule, in their cell wall. This layer is responsible for the purple color that gram-positive bacteria display after undergoing the Gram stain test. Because of the thick peptidoglycan layer, alcohol rinse is effective in removing crystal violet from gram-positive bacteria, causing them to appear purple.
In conclusion, gram-positive bacteria have a thick peptidoglycan layer, are susceptible to alcohol rinse, and appear purple after Gram staining. Gram-negative bacteria have a thin peptidoglycan layer surrounded by an outer membrane, are not susceptible to alcohol rinse, and appear pink after Gram staining.
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which of the following is not true for sanger dna sequencing compared to maxam-gilbert dna sequencing?o Sanger sequencing is also called chain termination sequencingo Sanger DNA sequencing uses ddNTPso Sanger DNA sequencing is a high efficiency method of DNA sequencingo Sanger DNA sequencing relies on chemical degradation od DNA
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The statement that is not true for Sanger DNA sequencing compared to Maxam-Gilbert DNA sequencing is Sanger DNA sequencing relies on chemical degradation of DNA.
Sanger DNA sequencing does not rely on chemical degradation of DNA. Sanger sequencing, also known as chain termination sequencing, is a method of DNA sequencing that uses a mixture of modified nucleotides (ddNTPs) and a DNA polymerase enzyme to synthesize complementary strands of DNA.
At a certain point, one of the ddNTPs will be incorporated into the growing strand, which will cause the polymerization reaction to stop. This generates a series of DNA fragments of different lengths that correspond to the different positions in the original DNA molecule.
These fragments are then separated based on size using gel electrophoresis and visualized to determine the sequence of the original DNA molecule. Chemical degradation of DNA is not a feature of Sanger sequencing.
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Your question seems incomplete, but I suppose the question was:
"Which of the following is not true for sanger dna sequencing compared to maxam-gilbert dna sequencing?
Sanger sequencing is also called chain termination sequencing.
Sanger DNA sequencing uses ddNTPs.
Sanger DNA sequencing is a high efficiency method of DNA sequencing.
Sanger DNA sequencing relies on chemical degradation of DNA."