Assume that a single crossover occurs between two genes during meiosis. What would be the consequence of this crossover event? All of the chromatids will be recombinant. All of the chromatids will be nonrecombinant. Three chromatids will be nonrecombinant, and one will be recombinant. Two of the four chromatids will be recombinant, and two will be nonrecombinant. Two of the four chromatids will be recombinant, and two will be nonrecombinant.
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The consequence of a single crossover occurs between two genes during meiosis two of the four chromatids will be recombinant, and two will be nonrecombinant. Option B is the correct answer.
A single crossover event between two genes during meiosis results in the exchange of genetic material between non-sister chromatids of homologous chromosomes.
This exchange creates recombinant chromatids with a combination of genetic information from both parental chromosomes, as well as nonrecombinant chromatids with the original genetic information.
Since there are four chromatids involved in the crossover event, two will be recombinant, and two will be nonrecombinant.
Therefore, the consequence of a single crossover event during meiosis is that two of the four chromatids will be recombinant, and two will be nonrecombinant.
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The question is -
Assume that a single crossover occurs between two genes during meiosis. What would be the consequence of this crossover event?
A. All of the chromatids will be nonrecombinant.
B. Two of the four chromatids will be recombinant, and two will be nonrecombinant.
C. Three chromatids will be recombinant, and one will be nonrecombinant.
D. Three chromatids will be nonrecombinant, and one will be recombinant.
E. All of the chromatids will be recombinant.
Two of the four chromatids will be recombinant, and two will be nonrecombinant. During meiosis, homologous chromosomes pair and exchange segments of DNA in a process called crossover.
This can result in recombinant chromatids, which have a combination of genetic material from both parents, and nonrecombinant chromatids, which have the same genetic material as the parent chromosome. If a single crossover occurs between two genes, two of the four chromatids will be recombinant, and two will be nonrecombinant. During meiosis, when a single crossover occurs between two genes located on the same chromosome, it results in two recombinant chromatids and two non-recombinant chromatids. This is because the exchange of genetic material only occurs between the homologous chromosomes that are paired during meiosis, resulting in the creation of two new combinations of alleles on the chromatids that have undergone recombination. The other two chromatids that did not experience a crossover event will contain the original combinations of alleles.
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Related Questions
A type of transport protein that is an open passageway for the facilitated diffusion of ions or molecules across a membrane.
Answers
Answer:
A gated channel protein is a transport protein that opens a "gate," allowing a molecule to pass through the membrane. Gated channels have a binding site that is specific for a given molecule or ion.
An object accelerates at a rate of 3,0 m/s2 when a force of 6.0
newton is applied. What is the mass of the object?
www.ih gatesvilleiad org)
a 1 kg
b. 2 kg.
с. 3 kg
d 4 kg
Answers
Answer:
b. 2kg
Explanation:
F=ma
m=F/a=6/3=2kg
Describe the role of algae in marine biome
Answers
WILL BE MARKED BRAINLIEST!! (if answer is reasonable)
18)When glucose is converted to pyruvic acid (pyruvate), where is most of the
energy from the glucose found?
Answers
The glucose harvested and created by plants is used in cellular respiration to create carbon dioxide, though the energy that the glucose offers is then utilized to perform the Krebs Cycle and helps ATP function at it’s top rate.
the tendon for the palmaris longus is superficial to the extensor retinaculum. a. true b. false 2. gabe likes to check his nails by performing wrist extension. this is made possible due to radial nerve innervation. a. true b. false 3. the ulnar nerve is affected in carpal tunnel. a. true b. false 4. the coronoid process is located on the anterior aspect of the scapula. a. true b. false 5. opponens pollicis is a hypothenar muscle. a. true b. false 6. the trochlear notch can be found on the proximal end of the ulna. a. true b. false 7. the inferior border of the teres major is the anatomical border between the axillary and brachial arteries. a. true b. false 8. the brachial vein drains into the median cubital vein. a. true b. false 9. teres minor is one of the four muscles that make up the rotator cuff. a. true b. false 10. the lateral cord gives rise to the musculocutaneous nerve. a. true b. false 11. match each muscle with its corresponding motor innervation. each term can be used more than once. be as specific as possible. teres major a. axillary n. infraspinatus b. musculocutaneous n. deltoid c. dorsal scapular n. brachialis d. upper subscapular n. long head of triceps brachii e. lower subscapular n. coracobrachialis f. suprascapular n. extensor digitorum g. radial n. supinator h. ulnar n. flexor carpi ulnaris i. median n. palmaris longus dorsal interosseous muscles 12. the runs through the bicipital groove. a. brachial artery b. tendon for the triceps brachii medial head c. tendon for the biceps brachii long head d. radial nerve e. musculocutaneous nerve 13. the is responsible for performing wrist extension. a. ulnar nerve b. radial nerve c. median nerve d. hypothenar nerve e. medial nerve 14. the anatomical snuffbox includes the . a. tendon for the extensor pollicis brevis b. deep radial nerve c. abductor pollicis brevis d. tendon for the opponens pollicis e. extensor carpi radialis brevis 15. the tendon for the palmaris longus is superficial to . a. extensor indicis tendon b. plantar fascia c. flexor retinaculum d. extensor retinaculum e. trochlear notch 16. the passes through the radial groove. a. radial artery b. deep radial artery
Answers
The statement “the tendon for the palmaris longus is superficial to the extensor retinaculum” is false because is actually deep to the fascia of the forearm and the extensor retinaculum.
The palmaris longus is a long, slender muscle that runs from the medial epicondyle of the humerus to the palmar aponeurosis. It is located in the anterior compartment of the forearm, and its tendon can be located by asking the patient to make a fist and then flex their wrist.
On the other hand, the extensor retinaculum is a thick band of fibrous tissue that covers the tendon of the extensor muscles as they pass over the wrist joint. It is located on the dorsal aspect of the wrist and helps to hold the tendons in place, the statement is false.
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—The question is irrelevant, the correct question is:
The tendon for the palmaris longus is superficial to the extensor retinaculum.
true or false—
what is the commonly used unit to describe the size of a protein introduced in this lab?
Answers
Answer: kDa or kilo daltons
Explanation:
What is one reason funding has such an important effect on scientific research?
Funding targets specific areas of research.
People are not interested in new discoveries.
It encourages scientists to promote findings.
Research results cannot be published without it.
Answers
Answer:
Funding targets specific areas of research
Explanation:
Hope this helps
To keep and protect something from damage, change, or waste
Answers
Answer: conserve / conservation
Meaning of conserve is to keep and protect something from damage, change, or waste:
Answer:
To keep and protect something from damage, change, or waste
Explanation:
conserve
8.Pioneer species such as lichen and moss inhabit an area after a major disturbance such as a volcanic eruption. Over time, other species are found in the disturbed area and the number of pioneer species decreases. Why does the number of pioneer species decrease?The amount of available sunlight is reduced. The pioneer species can no longer thrive.The area has more soil to support complex plants. The competition increases between organisms.The area is more susceptible to the wind. Seeds are captured in the pioneer plants and germinate at a higher rate.The temperature is not as extreme as it was following the disturbance. Fewer of the pioneer species reproduce.
Answers
Answer:
The pioneer species can no longer thrive
Explanation:
After the volcanic eruption, the natural habitat of the pioneer species got disturbed in such a way that it can be revived by any means. Hence, in absence of adequate habitable conditions it is difficult for the pioneer species to survive along the path erupt by volcanic flow. Hence, the pioneer species started inhabiting the distributed land having feasible living conditions.
Which of the following could be used to describe a cell that comes from an animal?
autotrophic
heterotrophic
prokaryotic
Answers
HELP
Which bodily system is responsible for releasing growth and other hormones?
Answers
Answer:The endocrine system
Explanation:
The endocrine system includes all of the glands of the body and the hormones produced by those glands. The glands are controlled directly by stimulation from the nervous system as well as by chemical receptors in the blood and hormones produced by other glands
With your own words about the dangerous diseases in Honduras
for today please.
Answers
Chikungunya ( virus gotten thru mosquitoes )
Dengue Fever ( virus gotten thru mosquitoes )
Malaria ( parasite gotten thru mosquitoes ) treatment : quinine
Hepatitis B ( contagious ... like food eaten which was cooked from unclean hands) treatment : vaccine , antiviral medicine
Rabies ( bite of an rabid animal like dog or bat) treatment: needs shots right away, antiviral medicine, blood transfusion
Tetanus (cut from rusted metal) treatment : vaccine ,
Travellers' Diarrhoea
cdc
https://bewareofthebugs.com/countries/honduras/
Acid rain is a secondary pollutant. TRUE or FALSE
Answers
Answer: True
Explanation:
What connection do all living things have with each another
Answers
Answer:
they all have cells
Explanation:
each living thing has cells that help them survive and help their body work well.
Answer:
All organisms need food for the energy required to live and grow. They all excrete (get rid of) waste products, and detect changes in their surroundings and respond to them. All living organisms follow a LIFE CYCLE of growth and development, reproduction, and death. One thing all living things have in common is that all living things have cells, performing the functions necessary for an organism to survive in its environment; even the most primitive of life forms, bacteria, consists of a single cell. All living things also use energy, grow and reproduce.
please help please i really need it
Answers
Answer:
The answer is C
which phylum includes the simplest animals with bilateral symmetry?
Answers
The phylum that includes the simplest animals with bilateral symmetry is the Phylum Platyhelminthes, also known as flatworms.
Flatworms are soft-bodied, unsegmented worms that exhibit bilateral symmetry. They have a simple body structure with a distinct head region and a flattened, elongated body shape. Flatworms lack a body cavity and possess a primitive nervous system. They are the simplest organisms with bilateral symmetry, representing the first major evolutionary advancement in body plan organization. Examples of flatworms include planarians, tapeworms, and flukes.
Flatworms exhibit bilateral symmetry, meaning their body can be divided into two similar halves along a sagittal plane. This symmetry allows for a more organized body plan with distinct anterior (head) and posterior (tail) regions. It also enables them to have specialized sensory organs concentrated in the head region. Flatworms have a simple digestive system with a single opening called the mouth, which serves as both the entry point for food and the exit point for waste.
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How is melanocyte cell adapted to its function?
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____________________ is used for severe CAD and aortic valve insufficiency because anterograde cardioplegia may not adequately deliver the cardioplegic solution throughout the myocardium.
Answers
For severe CAD and aortic valve insufficiency, anterograde cardioplegia may not be effective enough to deliver the necessary cardioplegic solution throughout the myocardium. In these cases, retrograde cardioplegia is often used instead.
Retrograde cardioplegia involves delivering the cardioplegic solution directly into the coronary sinus, allowing it to flow backward into the myocardium. This method ensures that the cardioplegic solution reaches the entire heart muscle, including areas that may be difficult to reach with anterograde cardioplegia alone. A cardioplegic solution is a specialized solution used during cardiac surgery to stop the heart from beating. It contains a mixture of potassium and other chemicals that help to arrest the heart's electrical activity and prevent it from contracting. Anterograde cardioplegia involves delivering this solution directly into the coronary arteries, while retrograde cardioplegia involves delivering it into the coronary sinus.
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Lichens are importan to an ecosystem because they
Prevent tree growth
Replace older communities
Help form soil
Become unstable
Answers
Answer:
Because lichens enable algae to live all over the world in many different climates, they also provide a means to convert carbon dioxide in the atmosphere through photosynthesis into oxygen, which we all need to survive. ... Lichens can provide us with valuable information about the environment around us.
Answer:
B) Help form Soil
Explanation:
they do
What process is similar in function to genetic engineering but different in the mechanism it uses? A. Replication in a bioreactor B. Cellular Respiration C. Breeding for specific traits D. Genetic Calculus
Answers
Option C. Breeding for specific traits is a similar process in function to genetic engineering but different in the mechanism it uses.
Genetic engineering refers to the process of using recombinant DNA methodologies to alter the genome of a particular organism and thus obtain the desired characteristics/traits in organisms derived from them. An example of genetic engineering is the use of recombinant DNA methodologies to develop Escherichia coli strains that generate human insulin.Moreover, selective breeding refers to the process aimed at developing organisms with desirable characteristics by choosing parents with these traits in order to cross them and produce offspring with these phenotypic traits.For example, wheat plants with better yields can be obtained by crossing between wheat varieties that exhibit desired phenotypic traits.In conclusion, Option C. Breeding for specific traits has a similar objective that genetic engineering but the mechanism to reach this objective is different.Learn more in:
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Click and drag each intestinal motility mechanism to its description Mixes, chums, promotes absorption, and passes contents to the next segment of the colon Duodenocolic reflex Gastrocolic reflex Occurs 1-3 times per day and moves contents several centimeters Haustral contraction Contents in stomach stimulate colonic motility Mass movement Esophagocolic reflex Contents in small intestine stimulate colonic motility Intrinsic defecation reflex Stimulates muscular contractions in the descending and sigmoid colon
Answers
The correct match of the intestinal motility with the description is: (1) Duodenocolic reflex- Contents in small intestine stimulate colonic motility; (2) Gastrocolic reflex- Contents in stomach stimulate colonic motility; (3) Haustral contraction- Mixes, churns, promotes absorption, and passes contents to the next segment of the colon; (4) Mass movement- Stimulates muscular contractions in the descending and sigmoid colon; (5) Esophagocolic reflex- Contents in stomach stimulate colonic motility; (6) Intrinsic defecation reflex- Occurs 1-3 times per day and moves contents several centimeters.
Small intestine is the longest organ of the digestive system. It performs maximum digestion of the food and is present in a highly coiled manner isurrounded by the large intestine.
Colon is the part of the long intestine which is the longest and connected to the small intestine at one end.
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Cells need energy to perform all of their functions. Where in the cell is the energy made?
Answers
Answer:
mitochondria
Explanation:
what is the basis of the baltimore classification system? how many genome types describe all viral families in this system?
Answers
The Baltimore classification system categorizes viruses based on the nature of their genome and the mechanism by which they express their genetic material. Nobel laureate David Baltimore proposed it in 1971. Seven types of genomes describe the viral families in this system.
What are the name of genomes that describes the viral families in this system?The seven types of genomes are Double-stranded DNA (dsDNA), Single-stranded DNA (ssDNA), Double-stranded RNA (dsRNA), Positive-sense single-stranded RNA (+ssRNA), Negative-sense single-stranded RNA (-ssRNA), Retroviruses and Double-stranded DNA with reverse transcription.
Why Baltimore classification is not phylogenetic classification?Baltimore classification system is not a phylogenetic classification because it does not group viruses based on their evolutionary relationships. Instead, it is a functional classification system that categorizes viruses based on how they replicate and express their genetic material.
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The back bone of DNA and RNA is composed of _____. DNA is double stranded due to interactions between adenine,cytosine,guanine, and thymine, which are ____ Uracil is a
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The backbone of DNA and RNA is composed of sugar phosphate. DNA is double-stranded due to interactions between adenine, cytosine, guanine, and thymine, which are nucleotide bases. Uracil is a pyrimidine nucleotide base.
DNA is the hereditary material of humans and almost all organisms. It carries genetic information. DNA is deoxyribonucleic acid and RNA is ribonucleic acid. DNA is double-stranded while RNA is single-stranded. Both DNA and RNA are protein derivatives. The base is formed of sugar phosphates. Both these carry nucleotide bases on them. Adenine, guanine, cytosine, uracil, thymidine, etc are examples of nucleotide bases. Among that adenine and guanine are purines. Cytosil Uracil and thymidine are pyrimidines.
For more details on purines and pyrimidines, see this question.
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Wind can be so powerful that it can even uproot the strongest of trees. Do you think it is good to show power by harming others?Why/ why not?
Answers
Answer:
No, it is not right to display power by hurting others. We should use the authority to aid other individuals who are in need.
9. Which of these describes the primary structure
of a protein?
A. the three-dimensional shape of the protein
B. the sequence of the amino acids in the protein
C. the arrangement of multiple polypeptide
chains
D. the folding of the protein into sheets and
spirals
Answers
The primary structure of a protein the sequence of the amino acids in the protein.
The correct option is B.
What are amino acid?Proteins are composed of molecules called amino acids. Proteins and amino acids are the elements of life. Amino acids are the byproducts of the digestion or degradation of proteins. Amino acids are being used by the body to create proteins that aid in the digesting of meals.
What makes amino acids so important?Body protein as well as other vital nitrogen-containing substances including creatine, peptidases, and some neurotransmitters cannot be formed without amino acids. Although limits are expressed in terms of protein, amino acids are a biological necessity.
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Which row is correct for an enzyme with a low Michaelis-Menten constant?
Answers
From the table in the image attached below, the row which is correct for an enzyme with a low Michaelis-Menten constant is: B. High; Low.
An enzyme can be defined as a biological catalyst (globular proteins) that typically speeds up or accelerates the rate of a chemical reaction by lowering the activation energy of its chemical reactants.
Michaelis–Menten kinetics is a commonly used model of enzyme kinetics and it describes the gross mechanism and velocity of an enzyme-catalyzed chemical reaction.
Also, it was named after Leonor Michaelis and Maud Menten.
Mathematically, the Michaelis–Menten kinetics is given by the formula:
\(v=\frac{V_{max} \;[S]}{K_M \;+ \;[S]}\)
Where:
v is the velocity of reaction.[S] is the concentration of a substrate (S).\(K_M\) is the Michaelis-Menten constant.\(V_{max}\) is the maximum rate achieved.
Generally, an enzyme has a low Michaelis-Menten constant when the affinity of enzyme for substrate (S) is high and the substrate (S) concentration rate at maximum reaction rate (\(V_{max}\)) is low.
In conclusion, only row B of the table in the image attached below satisfy this condition of enzyme with a low Michaelis-Menten constant.
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Which level of organization includes all the other levels of organization? organ system organism tissue
cell
Answers
Answer:
organ system level of organization
cell>tissue >organ >organ system >multicellular organism
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how much of the human genome is made up of protein-coding genes?
Answers
Although the human genome contains about 3 billion base pairs of DNA, only a small portion of this DNA is made up of genes that code for proteins.
Although estimates vary, it is generally accepted that only roughly 1% to 2% of the human genome is made up of protein genome is made up of protein-coding genes.
This indicates that regulatory elements, introns, and repetitive sequences make up the vast bulk of the human genome's non-coding DNA.
What traits does the human genome have?An ambitious research project called the Human Genome Project aims to decode the chemical composition of the complete human genetic code (i.e., the genome).The project's main task is to create three research tools that will enable researchers to find the genes responsible for both uncommon and common disorders.How many genomes are there in humans?This means that the diploid human genome is made up of 46 DNA molecules of 24 different kinds. Only 3 billion nucleotide pairs (the haploid genome) need to be sequenced in order to fully understand a representative human genome because human chromosomal pairs are almost identical.learn more about human genome here
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Esther was on the YMCA diving team. She was on the 30 meter platform preparing to do a dive. If Esther's mass was 50 kg and she hit the water with a force of 980 N, what was her acceleration?
Answers
The acceleration of Esther on the YMCA was found to be about 19.6 m/s^2
What are the three acceleration laws?
Unless pushed upon by a force, every item travels in a straight line. An object's acceleration is directly proportional to the net force applied and inversely proportional to the object's mass. There is an equal and opposite reaction to every action.
In basic terms, what is acceleration?
Acceleration is the rate at which velocity varies over time, both in terms of speed and direction. A point or object travelling in a straight path is accelerated if it accelerates or decelerates. Even if the speed is constant, motion on a circle is accelerated because the direction is constantly changing.
as per the formula F=ma
then this formula was rewritten as a=F/m
where m= mass = 50Kg
F= force exerted =980N
acceleration (a) = 980/50
a =19.6 m/s^2
The acceleration of Esther on the YMCA was found to be about 19.6 m/s^2
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