Answers
Answer:
option a) is correct.
Explanation:
in IVF the fertilisation is always external.
Related Questions
Examine the following mutation: ACGGGCAAACGATTG →
ACGGGCAACGATTG. The mutations is
Answers
Answer: a frame shift mutation
Explanation:
ACGGGCAAACGATTG to ACGGGCAACGATTG, and the mutation is a deletion mutation, as there is a deletion of the adenine base out of three adenines. as there is a deletion of a single base, ,so it is called a deletion mutation.
What is mutation?This change can have various effects on the resulting protein, depending on the specific location of the mutation within the gene and the role of the affected amino acid in the protein's function. For instance, in a non-coding region of the gene, such a mutation might have no effect at all on the protein, as it would not affect the sequence of the mRNA that is transcribed from the gene. However, if the mutation occurs in a coding region of the gene, it can lead to a change in the resulting protein.
Hence, ACGGGCAAACGATTG to ACGGGCAACGATTG, and the mutation is a deletion mutation, as there is a deletion of the adenine base out of three adenines.
Learn more about the mutation here.
https://brainly.com/question/23941970
#SPJ2
Which of the following models represents an atom that is most likely to form a cation with a charge of +1?
Answers
The atom represented by the model with one valence electron in its outermost shell is most likely to have the lowest ionization energy and hence is most likely to form a cation with a charge of +1.
The atom that has the lowest ionization energy is the one which is most likely to form a cation with a charge of +1. Ionization energy is defined as the energy required to remove an electron from an atom or ion in the gaseous state. Therefore, an atom with a low ionization energy requires less energy to remove its outermost electron and form a positively charged cation.
Among the models of atoms given, the atom represented by the model with one valence electron in its outermost shell is most likely to have the lowest ionization energy. This is because the valence electron is loosely held by the nucleus due to its large distance from it. As a result, it requires less energy to remove the outermost electron and form a cation with a charge of +1.
For example, Lithium (Li) has one valence electron in its outermost shell and has the lowest ionization energy among the elements in the first group. This makes it easy for Lithium to lose its valence electron and form a cation with a charge of +1.
In summary, an atom with a low ionization energy requires less energy to remove its outermost electron and form a positively charged cation.
For such more questions on outermost shell
https://brainly.com/question/30242342
#SPJ8
Note: The complete question is- Which of the following models of atoms represents an atom that has the lowest ionization energy, and is therefore most likely to form a cation with a charge of +1?
Just like Mendel, you have grown a pea plant that has two phenotypic traits you are interested in. Round (Dominant) or Wrinkled (Recessive), Yellow (Dominant) or Green (Recessive) After crossing two plants heterozygous in both traits (RrYy x RrYy), you have 556 progenies classified as follows. Calculate their expected progeny phenotypic distributions as if these traits are independently assorted rather than linked. (4 pts)
Observed Values
315 Round, Yellow Seed
108 Round, Green Seed
101 Wrinkles, Yellow Seed
32 Wrinkled, Green Seed
556 Total Seeds
What are the Expected Values for RrYy x RrYy?
Use Chi-Square Analysis and the p-value chart (refer to Lab 4 handout for formula and chart) to determine whether these traits do indeed display independent assortment. Show your work. (4 pts)
What is your null hypothesis? Are the data consistent with your null hypothesis or can you reject the null hypothesis? Provide the p-value evidence to support your case. (4 pts)
List three properties of DNA that would be the same between DNA isolated from strawberries and any other living organism. (3 pts)
List three properties that would be different between DNA isolated from strawberries and the DNA of any other living organism. (3 pts)
If a chromosome is 2 μm long during mitosis and contains about 1.5 cm of supercoiled DNA, how many times must the DNA condense itself during mitosis? Show your work. (1 pt)
If this measurement were the same for all of your chromosomes, how long would your DNA be in the uncondensed form if you joined all of it from end to end? Show your work. (1 pt)
Answers
The probability of both traits appearing in the same offspring is (3/4) x (3/4) = 9/16 and the probability of both traits appearing in the same offspring is (1/4) x (1/4) = 1/16.
What are traits?Traits are defined as specific characteristics or attributes of an individual.
1. To calculate the expected values, we need to multiply the total number of progeny by the probabilities of each phenotype. The expected values are:
315 Round, Yellow Seed = (556) x (9/16) = 311.5
108 Round, Green Seed = (556) x (3/16) = 104.5
101 Wrinkles, Yellow Seed = (556) x (3/16) = 104.5
32 Wrinkled, Green Seed = (556) x (1/16) = 34.5
2. Chi-Square Analysis:
The chi-square test is used to determine whether the observed data fits the expected data. The formula for the chi-square test is:
χ² = Σ [(O-E)²/E]
Where:
χ² = chi-square value
O = observed frequency
E = expected frequency
We can calculate the chi-square value for this data as follows:
χ² = [(315-311.5)2/311.5] + [(108-104.5)2/104.5] + [(101-104.5)2/104.5] + [(32-34.5)2/34.5]
χ² = 1.01 + 1.69 + 0.84 + 0.39
χ² = 3.93
3. Degrees of freedom (df) = (number of phenotypes - 1) = 3
Using the chi-square distribution table with 3 degrees of freedom and a significance level of 0.05, the critical value is 7.815. Since our calculated chi-square value (3.93) is less than the critical value (7.815), we fail to reject the null hypothesis.
4. Null Hypothesis:
The null hypothesis is that the observed data fits the expected data, meaning that the traits are independently assorted.
5. Properties of DNA that are the same between strawberries and any other living organism:
DNA is composed of four nitrogenous bases: adenine, guanine, cytosine, and thymine.DNA is organized into double helix structures.DNA is responsible for carrying genetic information.6. Properties of DNA that are different between strawberries and any other living organism:
The sequence of the nitrogenous bases is unique to each organism.The amount of DNA in each organism can vary widely.The number of chromosomes can vary widely between organisms.7. Calculating the number of times DNA must condense itself during mitosis:
If the chromosome is 2 μm long and contains about 1.5 cm of supercoiled DNA, then the DNA must condense itself by a factor of 1.5 cm / 2 μm = 7500 times during mitosis.
8. Calculating the length of DNA in the uncondensed form:
If the chromosome is 2 μm long and contains 1.5 cm of DNA, then the length of DNA in the uncondensed form is 1.5 cm / 2 μm = 750,000 μm or 750.
Learn more about traits, here:
https://brainly.com/question/12214708
#SPJ1
Which cell organelles are involved in the production of proteins?
Answers
Answer:
Ribosomes and Endoplasmic Reticulum
Explanation:
Ribosomes are the organelles responsible for protein translation and are composed of ribosomal RNA and proteins. Some ribosomes are found in the cytoplasm, a gel-like substance that organelles float in and some are found in the rough endoplasmic reticulum.
Answer:
Ribosomes and Endoplasmic Reticulum
Explanation:
Show the cross for a pure breeding short haired Guinea pig and a long haired Guinea pig.what is the genotype of the offspring ??
Answers
Answer:
let L= represent allele for long hair l= represent allele for short hairGenotype of offsprings will all have Ll that’s if the long haired Guinea pig is homozygous dominant for the traitbut,
Genotype of offsprings will be,Ll Ll ll and ll that's when the long haired pig is a heterozygous situationWhich type of mining is likely the least harmful to the environment?
a. surface mining
b. placer mining
c. subsurface mining
d. none of the above
Answers
Answer:
Placer mining
Explanation:
Placer mining can be less damaging to the environment than surface mines, as the sediment is returned to the water after the minerals have been extracted.
The mining that is likely the least harmful to the environment is the placer mining that is present in Option B, water is used in placer mining to separate mineral particles from soil.
What is placer mining?Placer mining involves the extraction of minerals from riverbeds, streambeds, and other bodies of water, and this method involves the use of water to separate mineral particles from soil, while placer mining is generally considered to be less harmful to the environment compared to surface and subsurface mining, but it can still have negative impacts if not properly managed. For example, the use of mercury in the gold extraction process can lead to water pollution and harm to aquatic life.
Hence, the mining that is likely the least harmful to the environment is the placer mining that is present in Option B.
Learn more about placer mining here.
https://brainly.com/question/30053865
#SPJ6
does the efficiency of a cell depends on its complexcity
Answers
Answer:
No, the efficiency of a cell does not always depend on its complexity
Explanation:
hope it helps
In an experiment assigned to test the effect of different concentration of a fertilizer on the growth rate of a plant which one of the following is the dependent variable
Answers
In the given experiment, the dependent variable would be the growth rate of the plant.
In this case, the independent variable is the different concentration of the fertilizer. The researcher is deliberately varying the concentration levels to observe its effect on the plant's growth. The dependent variable, which is the growth rate of the plant, is expected to be influenced by the different concentrations of the fertilizer.
By measuring and comparing the growth rate of the plant across the different fertilizer concentrations, the researcher can determine if there is a relationship between the concentration of the fertilizer and the plant's growth. This helps to assess the impact of the fertilizer on the plant's development and identify the optimal concentration that promotes the highest growth rate.
The dependent variable is crucial in analyzing the results and drawing conclusions about the effectiveness of the fertilizer at different concentrations.
Know more about dependent variable here:
https://brainly.com/question/25223322
#SPJ8
september would the earth be experiencing a solstice or an equinox
how do you know
Answers
In September the earth will be experiencing an equinox
Equinoxes occur between March and September. When the Sun's rays strike the equator at midday and at a 90° angle, it is considered an equinox. It stands for the idea that day and night have equivalent lengths. The sunset and dawn are separated by 12 hours everywhere on Earth. One may observe how quickly the sunset and dawn hours shift throughout the day the farther one goes from the equator.
Whereas, solstices occur in June and December. The contrary is visible close to the solstices. For a few days, both the sunset and sunrise appear to be constant. Over the course of the year, the time of day when the sun is directly overhead where one lives also gradually changes.
Read more about equinox on:
https://brainly.com/question/30559380
#SPJ1
What type of atmospheric conditions does weather describe?
O Average
Current
Globa
Long term
Answers
Answer:
It is Average
Explanation:
When females go through meiosis to create gametes it is very different than males. Explain what happens
during oogenesis, be sure to include polar bodies in your explanation.
Answers
Oogenesis results in the production of one functional egg and several polar bodies that are eventually discarded, ensuring the preservation of cytoplasmic resources in the egg for successful fertilization and early embryonic development.
During oogenesis, the process of producing female gametes or eggs, the primary difference compared to males is the uneven division of cytoplasm. In humans, oogenesis begins during fetal development and continues throughout a woman's reproductive life.
In the ovary, oogonia (diploid cells) undergo mitosis to increase their number. One of the resulting cells becomes the primary oocyte, which enters meiosis I but pauses in prophase I until puberty. Each month after puberty, one primary oocyte resumes meiosis I and divides asymmetrically. The division produces a secondary oocyte and a small polar body, which contains a minimal amount of cytoplasm. The secondary oocyte then enters meiosis II but pauses again in metaphase II.
If fertilization occurs, the secondary oocyte completes meiosis II, yielding a mature egg (ovum) and another polar body. The mature egg contains the bulk of the cytoplasm and organelles necessary for embryonic development. The polar bodies, though non-functional, ensure that the cytoplasm is concentrated in the egg and help preserve the genetic material.
Overall, oogenesis results in the production of one functional egg and several polar bodies that are eventually discarded, ensuring the preservation of cytoplasmic resources in the egg for successful fertilization and early embryonic development.
for more questions on Oogenesis
https://brainly.com/question/23841614
#SPJ11
59.33
What must be true about two objects if heat is flowing between them?
The objects must be different temperatures.
The objects must be the same temperature.
The objects must both be over room temperature.
The objects must both be under room temperature.
Next
Submit
Save and Exit
Answers
Answer:
I think the objects must be under room temperature
Rain forests are home to many of the largest animals on Earth.
True
False
Answers
Answer:
True
Explanation:
Background: You will be the evolutionary biologist, and complete the following activities
to build a cladogram of Xenites. Based on the order of the rock layers in which fossils
were found, species A appears to be the oldest and probably the most primitive.
1. Fill in the table noting which species of xenite has each characteristic, marking each
yes or no. (3 points)
Answers
Observing each of the animals shown we have to classify what each one of them has that differs from the other in this way, the evolutionary process of each one is:
Xenite A: Have eyestalksXenite B: Have eyestalks and mouthXenite C: Have eyestalks, tail and mouthXenite D: Have spine and eyestalksXenite E: Have spine, eyestalks and mouth.What is evolutionary process?Evolutionary processes aim, therefore, to generate greater adaptation of species in an environment. This concept of adaptation is related to several other evolutionary processes, mainly speciation, when new species of organisms are formed from gradual changes in preexisting species.
In this case, the most evolved species to the most evolved is:
Xenite AXenite DXenite BXenite CXenite ESee more about evolutionary process at brainly.com/question/14568854
#SPJ1
Drag the tiles to the correct boxes to complete the pairs.
Match the whorl fingerprint subclasses to their descriptions.
Answers
Answer:
A loop with a whorl: central pocket loop
Two loops with an s pattern: double loop
irregular shaped whorl: accidental loop
series of loops with a common center: plain loop
Explanation:
Ok I believe its: Loop with a whorl- plain, 2 loops with a S pattern- double loop, Series of loops with a common center- central pocket loop, and the Irregular-shaped whorl is a accidental loop. If I helped please mark brainliest!! :)
Why do people cook meat and eggs before they eat them? The answer has to do in part with the chemical changes that take place during cooking. Heat breaks down proteins in meat and eggs to change the chemical makeup of these foods. The resulting substances are easier for humans to digest. Similarly, batter undergoes chemical changes as it is baked and becomes a cake. These examples show that chemical changes can result in substances with different smells and colors. I strongly advise against eating raw meat, eggs or cake batter, but trust me: these examples show a change in taste as well. Not every change in the kitchen is chemical, though. Mixing flour, sugar, butter and eggs is a physical change. Cutting meat is a physical change, too.
The author of this passage would most likely agree with which of the following statements?
A
Raw meat smells better than cooked meat.
B
People usually overcook their eggs.
C
Chemical changes are more exciting than physical changes.
D
Raw meat can be dangerous for people to eat.
Answers
A scientist compares to samples of white powder. One powder was present at the beginning of the experiment. The other Potter was present at the end. She wants to determine whether a chemical reaction has occurred. She finds that neither sample bubbles or dissolves in water. She measures the mass of volume of the solids. Sample one has a volume of 45 cm to the third power And a mass of .5 g. Sample two has a volume of 65 cm to the third and a mass of 1.3 g. What should the scientist conclude?
Answers
Based on the given information, the scientist can conclude that a physical change has occurred rather than a chemical reaction.
The scientist can make this conclusion because the samples did not show any signs of bubbling or dissolving in water, which are common indications of a chemical reaction.
Additionally, the measurement of the mass and volume of the samples shows that there has been a change in both properties. Sample two has a greater volume and mass compared to sample one, indicating that some physical transformation has taken place.
However, without further information or analysis, it is not possible to determine the exact nature of the physical change or identify the substances involved.
For more such answers on Chemical Reaction
https://brainly.com/question/11231920
#SPJ8
Which statement is true about metamorphic rocks? Responses They dramatically change chemical composition when exposed to heat. They dramatically change chemical composition when exposed to heat. They form from the melting and cooling of other types of rocks. They form from the melting and cooling of other types of rocks. They form due to erosion breaking down other rock and rearranging crystals. They form due to erosion breaking down other rock and rearranging crystals. They have the same composition as the rock from which they formed.
Answers
Metamorphic rocks do not dramatically change their chemical composition when exposed to heat. Instead, the correct statement is that they form from the melting and cooling of other types of rocks. This process involves the transformation of existing rocks, called parent rocks or protoliths, through the application of heat, pressure, and/or chemical activity within the Earth's crust.
During metamorphism, the minerals in the parent rock undergo physical and chemical changes, resulting in the formation of new minerals and recrystallization of the rock structure.
These changes occur without the rock completely melting. The intensity of heat and pressure determines the degree of metamorphism and the resulting type of metamorphic rock formed.
Metamorphic rocks can exhibit a wide range of textures and mineral compositions, depending on the specific conditions of metamorphism. They often display a layered or banded appearance due to the alignment of minerals during the recrystallization process.
The composition of a metamorphic rock may differ from the original parent rock, but it doesn't have the exact same composition as the rock from which it formed.
For more such answers on Metamorphic rocks
https://brainly.com/question/31351696
#SPJ8
Fertilizers that enter the ocean from farm runoff can cause an increase in
Answers
1. What is the purpose of the lab? Lab for modeling water
Answers
Answer:
The purpose of a lab is to entertain people and also give them a better understanding of science and it also makes you have fun
Explanation:
I did it before
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
What other component does nuclear power utilize in order to
create electricity?
a Air
b Water
c Mercury
d None of the Above
Answers
Answer:
Explanation: The answer would be water because , nuclear power plant would heat the water so that it could produce steam .
Number 6 please helppp
Answers
Height is a monohybrid inheritance. A tall (TT) plant is crossed with a short (tt) plant therefore the fraction or percent of the offspring which will be tall is 1 or 100 percent.
What is Inheritance?This is referred to as the process by which genetic information is passed on from parent to child.
TT × tt when crossed will give the following offspring:
Tt Tt Tt Tt - We were told that height is a monohybrid inheritance which means Tall will be dominant.
Therefore , the fraction or percent of the offspring which will be tall is 1 or 100 percent.
Read more about Inheritance here https://brainly.com/question/15078897
#SPJ1
I need help with this problem please the sooner, the better. Thanks
Answers
Answer:
1=3
2=8
3=11
4=55
Explanation:
If individuals from box 1 and box 4 were crossed, what would be the genotypes of the
offspring?
F. all Bb
G. Bb and bb
H. BB and bb
I. BB and Bb
Answers
Finish the DNA strand using
complementary base pairing rules.
A-G-T-C-T-G-C
Answers
Answer:
T-C-A-G-A-C-G
Explanation:
Which of the following correctly orders events during mitosis?
a) Microtubules organize the chromosomes. The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes.
b) The nuclear membrane dissolves. Microtubules organize the chromosomes. The mitotic spindle attaches to chromosomes.
c) The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes.
d) The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
Answers
The answer option which correctly orders events during mitosis is: D. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
Mitosis can be defined as a type of cell division (duplication) through which a single or one (1) parent cell produces two (2) genetically identical daughter cells.
In Biology, duplication division refers to a process in which two (2) genetically identical daughter cells produced by one (1) parent cell have the same number of chromosomes as their parent cell.
Furthermore, the correct order (sequence) of events during mitotic division in living organisms include the following:
1. The mitotic spindle (spindle fibers) of microtubules attaches to chromosomes.
2. The chromosomes found in a sex cell are organized by microtubules.
3. The nuclear membrane is then dissolved.
Read more: https://brainly.com/question/12103012
Answer: it is b
Explanation:
ATP is referred to as the cell's energy because __________.
a. glucose is made of ATP
b. ATP makes all reactions occur
c. energy from ATP is used for cell life
d. ATP exchanges organelles
Answers
Answer:
c. energy from ATP is used for cell lifeExplanation:
ATP is called a cell's energy currency because. a substantial amount of energy is transferred as well. When a phosphate group is transferred from an ATP molecule to another molecule. breaks down food molecules to release the stored chemical energy. The process of cellular respiration.
I hope it's help
If the alleles for the Rh factor are represented as D (for positive) and d (for negative), and anindividual has an Rh+ blood type, what is their possible genotype(s)?
Answers
The D allele represents a dominant allele, so whenever it is present in an individual, he/she will have Rh+. Because of this, for an individual to be Rh- it must necessarily have two "dd" alleles. Therefore, the possible genotypes for an Rh+ individual are DD and Dd.
URGENT
A steroid hormone approaches its target cell. Which will happen first?
The hormone will enter the nucleus
The hormone will combine with proteins to form lipoproteins
The hormone and its receptor will interact with the DNA
The hormone and its receptor will enter the cell’s nucleus
Answers
A steroid hormone approaches its target cell, therefore the hormone will enter the nucleus and is what will happen first which is therefore denoted as option A.
What is a Hormone?This is referred to as a chemical messenger which is released directly into the bloodstream and is responsible for the control of certain metabolic reactions occurring in the cell and an example is steroid hormone such as androgens.
In a situation whereby a steroid hormone approaches its target cell, it first passes through the plasma membrane before it then becomes adhered to the receptors which are present in the nucleus or cytoplasm.
Read more about Hormone here https://brainly.com/question/11979378
#SPJ1