Describe the difference between selective breeding and genetic modification
Answers
Individuals in selective breeding should be of the similar species. Scientists use GMO to generate new gene combinations. Genes pair on their own through selective breeding.
What is genetic modification?A technique to change the characteristics of a plant, animal, or microorganism by swapping a piece of DNA from one organism to an another organism is referred to as gene modification.
Selective breeding entails selecting parents with specific characteristics to breed with in order to generate offspring with more desirable characteristics.
Individuals in selective breeding should be of a similar species. Scientists use GMOs to generate new gene combinations. Genes pair on their own through selective breeding.
Thus, this is the difference between selective breeding and genetic modification.
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Related Questions
According to the diagram, what happens to the female population between
the ages of 9 and 19?
A. It triples in size, from 3 to 9 individuals.
B. It grows steadily.
C. It remains the same size.
D. It drops from 9 to 3 individuals
Answers
Answer:
D is the correct answer
Explanation:
It drops from 9 to 3 individuals to the female population between the ages of 9 and 19.
What is population?A population is made up of every organism of a specific species that resides in a specific location. Demography is the statistical study of populations and how they evolve through time.
Population size, or the total number of people, and population density, or the number of people per unit of space or volume, are two crucial indicators of a population. Ecologists use quadrats and the mark-recapture technique to evaluate the size and density of populations.
A population of organisms may be dispersed randomly, uniformly, or clumped. When a population is described as uniform, it is evenly spaced, random indicates uneven spacing, and clumped, it is dispersed in groups.
Therefore, It drops from 9 to 3 individuals to the female population between the ages of 9 and 19.
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What does phenotype mean?
A.What kinds of genes something has.
B.How something looks because of its genes.
Answers
Answer would be; B.How something looks because of its genes.
Answer:
B- How something looks because of its genes.
Explanation:
A is the genotype. B is the phenotype. A genotype is the genes. A phenotype is the physical trait an organism has.
Please help! skin melanocytes produce the protein melanin, which gives the skin pigment. muscle cells do not produce melanin. which statement explains this difference between skin melanocytes and muscle cells?
A. muscle cells rely on rna, while melanocytes rely on dna.
B. melanocytes and muscle cells express different genes.
C. muscle cells destroyed the gene for melanin, but melanocytes did not.
D. melanocytes contain different genes from muscle cells
Answers
Answer:
The correct answer is B. "Melanocytes and muscle cells express different genes."
Although all cells in an organism (such as a human) contain the same DNA, different cell types express different sets of genes. Gene expression is the process by which specific genes are activated to produce a needed protein. In this case, the gene responsible for melanin production is expressed in melanocytes, but not in muscle cells.
This does not mean that muscle cells have destroyed the gene for melanin (as stated in option C) or that melanocytes contain different genes from muscle cells (as stated in option D). All cells within an organism contain the same genes, but not all genes are expressed in every cell. The process of gene expression is regulated by the cell to ensure that each cell type functions properly.
Option A is also incorrect because all cells, including both muscle cells and melanocytes, rely on both DNA (for storing genetic information) and RNA (for transmitting that information and producing proteins). DNA is transcribed into RNA, which is then translated into proteins. This process occurs in all cells.
The statement explains the difference between skin melanocytes and muscle cells is - melanocytes and muscle cells express different genes. So option b is correct.
Melanocytes are dark, dendritic-shaped, highly differentiated cells that secrete melanin, a pigment found in melanosomes, which is the primary function of melanocytes.
Melanocytes are a type of cell derived from the neural crest. They form a synapse with keratinocytes through their dendrites in the epidermis. Melanocytes play an important part in skin pigmentation and their role in the generation and distribution of melanin has been extensively studied.
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PLEASE RESPOND QUICKLY
Answers
Answer:
It could be any of the following except thymine.
how are climatic regions classified?
a. sunlight and wind
b. sunlight and precipitation
c. temperature and wind
d. temperature and precipitation
Answers
Answer:
I believe the answer is D
There are more hydrogen atoms in living organisms than any other atom, but oxygen is more abundant in terms of mass.
Why is this statement true?
Answers
What condition is a combination of psychological and physiological factors that causes the walls of the vagina, as well as pelvic floor muscles, to painfully spasm?.
Answers
An uncontrollable tightening of the vagina is called viginismus. A specific kind of sexual dysfunction is vaginismus. When the vaginal muscles twitch repeatedly or uncontrollably, it happens.
Although viginismus doesn't affect arousal, it might hurt during a sexual encounter and make penetration challenging. The reflexive response of the body to the fear of any sort of vaginal penetration is known as viginismus. Your vaginal muscles automatically contract if penetration is attempted. You are powerless to change it. After menopause, some women suffer vaginismus. When oestrogen levels fall, there is less lubrication and suppleness in the vaginal, which can make having sex painful, difficult, or impossible. In certain women, this can result in vaginismus.
The complete question is:
In this condition, a combination of psychological and physiological factors cause the walls of the vagina, as well as the pelvic floor muscles, to spasm. These spams occur in anticipation of coitus and cause the outer third of the vagina to close causing pain and making sexual penetration impossible.
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oh no
1
Describe the process
occurring in the picture on
the right.
2
Does it require energy?
3. Describe the process
occurring in the picture on the
right.
4. Does it require energy?
Answers
Objective: Investigate which color skittles dissolve the fastest.
Hypothesis:
Variables:
Independent:
Dependent:
Answers
Independent Variable: the color of the Skittle
Dependent Variable: the duration required for the Skittle to dissolve completely
The independent variable is the color of the Skittle, and the dependent variable is the duration required for the Skittle to dissolve completely. The hypothesis would be that the color of the Skittle will affect its rate of dissolution in water. There would likely be multiple independent variables to consider, such as the temperature of the water, the concentration of the solution, and the amount of agitation. The experiment would need to be designed so that the dependent variable is measured accurately and precisely, and so that any extraneous variables are controlled for. This would require careful experimentation and analysis using proper techniques such as error analysis, statistical analysis, and experimental design.
--------------------------------------------------------------------
or
Independent variables:
1. Type of Skittles (red, green, blue, yellow, purple, orange, brown)
2. Time (30 seconds, 5 minutes, 10 minutes)
3. Temperature (room temperature, hot water, cold water)
4. Type of solvent (water, acetone, vinegar, alcohol)
Dependent variables:
1. Time taken to dissolve all the Skittles in each test
2. Rate of dissolution (time taken to dissolve one Skittle)
In this experiment, the independent variables are the different colors of Skittles, time, temperature, and type of solvent. The dependent variables are the time taken to dissolve all of the Skittles in each test and the rate of dissolution, which is the time taken to dissolve one Skittle. The hypothesis is that there will be a significant difference in the dissolution time of different colored Skittles.
The Punnett square for a sex-linked trait is shown. Xr is the recessive allele. Based on the Punnett square, which statement is true?
Female offspring have a 50 percent chance of expressing the recessive trait.
Both male offspring will express the recessive trait.
Both female offspring will express the recessive trait.
There’s a 50 percent chance the male offspring will express the recessive trait.
Answers
The Punnett square is done to represent a cross between two indiviuals and get the expected genotypic and phenotypic frequencies. D) There’s a 50% chance the male offspring will express the recessive trait.
What is a Punnett square?
The Punnett square is a representation of a cross between two individuals, in which gametes combination is shown.
From this representation, it is easy to calculate the expected genotypic and phenotypic frequencies among the progeny.
In the exposed example, the correct option is D. There’s a 50% chance the male offspring will express the recessive trait.
There are two ways in which you can analyze the results of this cross,
- by considering the whole progeny as a 100% or
- by considering each of the genders separately (males or females) as 100%.
The expected frequencies will vary according to how you make your interpretation.
From the whole progeny,
50% are expected to be females50% are expected to be males.75% are expected to express the dominant trait (XrX, XX, XrY)25% are expected to express the recessive trait (XrY)Considering ONLY females
100% of the females are expected to express the dominant trait, X-.50% of the females are expected to carry the recessive allele, XXrConsidering ONLY males
50% of the males are expected to express the dominant trait, XY50% of the males are expected to express the recessive trait, XrYOPTION D: 50 percent chance the male offspring will express the recessive trait.
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define infrared photon
Answers
Answer:
The subatomic particle that carries the electromagnetic force and is the quantum of electromagnetic radiation. The photon has a rest mass of zero, but has measurable momentum, exhibits deflection by a gravitational field, and can exert a force.
Explanation:
helpppppp pleaseeeeeeee
Answers
If a checkpoint fails or if a cell suffers physical damage to chromosomes during cell division, or if it suffers a debilitating somatic mutation in a prior S phase, it may selfdestruct in response to a consequent biochemical anomaly.
Hope this helps!! :)
Neurons are the central building blocks of the nervous system, _____ strong at birth.
Answers
looking under a microscope, you note that the cell is a prokaryote. how do you know?
it lacks the cell membrane
it lacks nucleus
it lacks genetic material
it lacks cytoplasm
Answers
Answer:
It lacks nucleus.
Explanation:
Prokaryotic: cells that lack a true nucleus or membrane bound organelles.
Pro- before Karyo- Nucleuswhich one of these is excluded from the phases of microbial growth? question 3 options: lag stationary doubling death
Answers
Out of the given options, the one that is excluded from the phases of microbial growth is doubling. This is because doubling time is a concept used to determine the exponential growth of microbes in an ideal environment and not a phase of microbial growth.
Phases of microbial growth Microbial growth is characterized by distinct phases. These phases include the lag phase, log phase, stationary phase, and death phase. Lag phase The lag phase is the first stage of microbial growth.
In this stage, microbes are adjusting to their environment and preparing for growth.
It is a period of adaptation where the population size remains constant. The duration of the lag phase varies with different organisms and environmental factors. Log phase The log phase is the stage of active growth. In this phase, the population size of microbes increases exponentially.
The microbial population is at its highest growth rate in the log phase.
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What are some examples of atmosphere?
Answers
Answer: An example of atmosphere is the ozone and other layers which make up the Earth's sky as we see it. An example of atmosphere is the air and gases contained inside a greenhouse.
Explanation:
Two jars are placed on a counter with a McDonald’s French fry inside. One has a lid, the other does not. They are left alone to see which one decays faster. After two days, the fry in the closed jar looks fresher. Answer the following questions about this scenario:
What is the independent variable?
What is the dependent variable?
What variables are controls?
Answers
In a group of bitter melon plants, some individuals have dark brown seeds and others have
light brown seeds. In this group, the gene for the seed color trait has two alleles. The allele D
is for dark brown seeds, and the allele d is for light brown seeds.
A certain bitter melon plant from this group has dark brown seeds. This plant has one allele
for dark brown seeds and one allele for light brown seeds.
Based on this information, what is this bitter melon plant's genotype for the seed color
gene?
dark brown seeds
Dd
Answers
Based on the information provided, the genotype of the bitter melon plant for the seed color gene would be Dd.
What is a genotypeThe genotype of a trait is the genetic composition that makes up the trait. Each gene is made up of two alleles. These alleles can be different (heterozygous) or the same (homozygous).
In this case, the seed color in the bitter melon plant is dictated by the two alleles D and d. It appears that allele D which codes for the dark brown trait is dominant over allele d which codes for the light brown trait.
Thus, for the bitter melon plant that has one allele for dark brown seeds and one allele for light brown see, the genotype would be Dd. Since D is dominant over d, the bitter melon seed would appear dark brown.
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A baby carriage is sitting at the top of a 21 m high hill. It weighs 12 N. It has ________________ energy?
A - kinetic
B - Potential
Answers
Answer:
B- Potential
Explanation:
The object has the potential energy to be converted to kinetic energy if it starts to roll down the hill. But right now it has the potential for energy.
Why do you think that some bacteria/diseases are harder to eradicate than others?
Answers
What type of neurons are found in the postcentral gyrus?.
Answers
(i know this was like a week ago but.....)
Tertiary neurons have cell bodies in the thalamus and project to the postcentral gyrus of the parietal lobe, forming a sensory homunculus in the case of touch. Regarding posture, the tertiary neuron is located in the cerebellum.
Which of the following is a major reason that many people are against damming up rivers for human use? A) dams create floods B) dams are not aesthetically pleasing to the community C) dams affect the aquatic organisms and surrounding ecosystem D) dams prevent the use of water for hydroelectric power
Answers
Answer:
i feel as if the answer would be C or D
Explanation:
Because the first two isnt really that abd but dams ruin the water and people want that to themselves if that makes sense
A major reason that many people are against damming up rivers for human use is because dams affect the aquatic organisms and surrounding ecosystem. T Option C. his is further explained below.
What is a Dam?A Dam built to hold back and elevate the level of water, producing a reservoir used to produce energy or as a water source.
In conclusion, Many individuals are opposed to damming rivers for human use because dams harm aquatic species and the surrounding ecology.
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Of the following, which is NOT considered to increase the risk of developing cancer for humans?Select one:a.ultraviolet lightb.toxic chemicalsc.regular exercised.smoking
Answers
Answer is C.
Explanation: Exercise is good for the body. It helps regu
Antibiotic and stomach ulcers which is the independent variable
Answers
The independent variable in the relationship between antibiotics and stomach ulcers is the antibiotic.
An independent variable is the variable being manipulated or changed by the researchers. On the other hand, a dependent variable is what is being observed or measured as the outcome of that change. In this context, the independent variable is antibiotics, while the dependent variable is stomach ulcers. This means that the researchers are changing the antibiotics to observe their effect on stomach ulcers.Therefore, it can be concluded that the independent variable in the relationship between antibiotics and stomach ulcers is the antibiotic.
The independent variable in the relationship between antibiotics and stomach ulcers is the antibiotic.
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hy does the structure of the plasma membrane make this type of transport necessary for fluids?
a diagram showing the process of endocytosis
Answers
The structure of the plasma membrane makes this type of transport necessary for fluids is discussed below:
What do you mean by phospholipid membrane?The membrane that divides the interior of the cell from the external environment is known as the plasma membrane, sometimes known as the cell membrane, and is present in all cells. A cell wall is affixed to the plasma membrane on the exterior of bacterial and plant cells.
Because water and other polar or charged substances cannot easily traverse the hydrophobic core of the membrane, the phospholipid bilayer created by these interactions serves as an effective barrier between the interior and exterior of the cell.
The complete sentence of question is:
Why does the structure of the plasma membrane make this type of transport necessary for fluids
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molecular orbital (mo) theory treats a molecules as a collection of nuclei with mos delocalized over the entire structure. group of answer choices true false
Answers
The statement "molecular orbital (MO) theory treats a molecule as a collection of nuclei with MOs delocalized over the entire structure" is true. It is a fundamental concept in molecular orbital theory, which is one of the two primary ways to describe the electronic structure of a molecule.
In this theory, each molecule is viewed as a whole with its constituent atoms' atomic orbitals combined to generate new molecular orbitals.The electrons are assigned to these new MOs according to the Pauli exclusion principle and Hund's rule, which govern the electronic configuration of the molecule.
The molecular orbital theory explains the bonding, antibonding, and nonbonding interactions between electrons, which underlies the physical and chemical properties of the molecule.MO theory also makes it possible to describe the molecule's spectroscopic properties, such as UV-visible and infrared spectra. For example, electronic transitions that lead to absorption in the UV-visible region of the electromagnetic spectrum can be attributed to electron excitation from the bonding to antibonding molecular orbitals.In conclusion, molecular orbital theory treats a molecule as a collection of nuclei with MOs delocalized over the entire structure.
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Scientists use a process called gel electrophoresis to separate DNA fragments. The process involves placing a mixture of DNA fragments at one end of a slab of porous gel. Then a power source is used to generate an electric potential across the gel.
The diagram shows the process of gel electrophoresis. First, DNA fragments, mixed with a restriction enzyme, are placed at one end of a slab of gel. Then a power source is applied; the longer DNA fragments stay near the negatively charged end, and the shorter fragments move toward the positive end.
Gel electrophoresis is successful because of which property of the DNA fragments?
A. The DNA fragments may be positively-charged, negatively-charged, or neutral.
B. The DNA fragments travel at different speeds through the gel.
C. The DNA fragments travel at the same speed through the gel.
D. The DNA fragments chemically react with the gel in different ways.
Answers
Answer:
C. The DNA fragments travel at different speeds through the gel.
A baseball player catches a ball of mass 100 grams which is moving with a speed of 10 m/s in 0.2 seconds. What is the amount of force exerted by him?
Answers
Answer:9m/sx10
Explanation:because of the gravity of the earth and the tail of dinasaur
How can we recognize non-renewable resources and work to preserve them as long as possible?
Answers
taste is interpreted in the of the cerebrum.the opening to a taste bud is called a .the of a taste cell are its sensitive part.the facial, , and vagus cranial nerves conduct impulses related to the sense of taste.substances that stimulate taste cells bind with sites on the surfaces of taste hairs.sour receptors are mainly stimulated by .salt receptors are mainly stimulated by ionized inorganic .alkaloids usually have a taste
Answers
Taste is interpreted in the cortex of the cerebrum. The opening to a taste bud is called a taste pore.
The microvilli of a taste cell are its sensitive part. The facial, glossopharyngeal, and vagus cranial nerves conduct impulses related to the sense of taste. Substances that stimulate taste cells bind with receptor sites on the surfaces of taste hairs. Sour receptors are mainly stimulated by acids.
Salt receptors are mainly stimulated by ionized inorganic salts. Alkaloids usually have a bitter taste. Taste is interpreted in the gustatory cortex of the cerebrum. The opening to a taste bud is called a taste pore. The taste hairs of a taste cell are its sensitive part.
The facial, glossopharyngeal, and vagus cranial nerves conduct impulses related to the sense of taste. Substances that stimulate taste cells bind with receptor sites on the surfaces of taste hairs. Sour receptors are mainly stimulated by acids.
Salt receptors are mainly stimulated by ionized inorganic salts. Alkaloids usually have a bitter taste.
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