Answer:
term refers to physical appearance of an individual with respect to gene expression for particular trait. phenotype
Answer:
Phenotype , is the term that refers to the physical appearance of an individual with respect to gene expression for a particular trait
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A population of tree frogs living in the Amazon rainforest have two skin color phenotypes controlled by the same gene. Hozygous dominant and heterozygous individuals have green skin while hozygous recessive individuals have blue skin. In the first generation, analysis of the alleles for this gene shows that 70 alleles of this gene are green, and 130 alleles of this gene are blue in the population. In the second generation, 90 alleles are green and 110 alleles are blue. Finally, in the third generation, 120 alleles are green and only 80 are blue. Based on this data, which description best describes this population of tree frogs?(1 point)
A) The green skin color is being selected over blue skin color.
B) The frogs are randomly mating with each other.
C) The population size of frogs is very large.
D) There are no individuals migrating into or out of the population.
Answer:
A
Explanation: You can see that the green colored frogs were once lower than the blue and as time started progressing the green started getting a higher population over the blue, as the blue decreased.
For the frogs, the green skin color is being selected over blue skin color. This leads to the abundance of the skin color in the third generation.
What is natural selection?
Natural selection refers to a situation in which traits that enable organisms to better survive and adapt in their habitat tend to persist whiole other traits gradually disappear.
In this case, we can say that the green skin color is being selected over blue skin color.
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Give an example of a physical change involving iron and a chemical change involving iron
Answer:
For example, toxicity, reactivity, combustion etc are all chemical changes. When iron rusts then an oxide layer of orange-brown color deposits on its surface due to chemical combination of air and moisture with iron. This is a chemical change.
Explanation:
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Answer:
As the rust forms on the surface of the iron, it flakes off to expose more iron, which will continue to rust. Rust is clearly a substance that is different from iron. Rusting is an example of a chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change.
Explanation:
Antibiotics treat bacterial infections. If a doctor is prescribing antibiotics to a patient, which disease does the patient most likely have?
Answer:
bacterial diseases
Explanation:
Explain the motion and kinetic energy of the water molecules in this state of
water.
Answer:
In liquid water, hydrogen bonds are constantly formed and broken as the water molecules slide past each other. The breaking of these bonds is caused by the motion (kinetic energy) of the water molecules due to the heat contained in the system.
Explanation:
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HELPS ASAP!! How do the retinas of the eyes of night hunting amimals differ from the retinas of animals that hunt during the daytime.
They have more rod cells
They have fewer cone cells
They have more cone cells
They have fewer rod cells
The answer is they have more rod cells
Urgent question!!!!!
Is a thermometer dependent or an independent variable
Answer:
thermometer dependent variable
An unknown organism is found in the forest and the gene is sequenced as follows:
Unknown: C C A T G G A A T C G A
What kind of an animal do you think this is? Explain why:
Answer:
I beleive its somthing close to a pig
Explanation:
The DNA sequence is closest to the pig . The amino acids Gly, Thr, Leu, and Ala are from the "unknown animal." On the worksheet, the pigs amino acids are Gly, Thr, Phe, and Ala. There is only one different amino acid between the two.
I might be wrong but there u go
What organisms went extinct in the Carboniferous period
Answer: Some benthic organisms that were common to early and middle Paleozoic times began to decline during the Carboniferous. These included the trilobites (which became extinct at the end of the Permian), rugose corals, and sponges. The pelagic, or water column, environment was inhabited by a profusion of cephalopods.
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what type of cell can develop into different types of blood cells in the body
Answer:
The multipotent hematopoietic stem cells give rise to many different cell types, including the cells of the immune system and red blood cells.
Explanation:
Explain why short bursts of light during the dark period caused the Xanthium strumarium plant to not grow.
Answer:
Due to stoppage of reactions.
Explanation:
The short bursts of light during the dark period is responsible for no growth in the Xanthium strumarium plant because this short bursts of light affected the darkness which is required by the Xanthium strumarium plant for its growth. If there is no burst of light occurs, the Xanthium strumarium plant will grow normally but when Xanthium strumarium plant receives the bursts of light, the chemical reactions that needs darkness will stop and as a result no growth occurs.
Name the two hormones secreted by the thymus.
Answer:
The thymus gland produces several hormones including: Thymopoietin and thymulin: Hormones that assist in the process where T cells differentiate into different types. Thymosin: Accentuates the immune response as well as stimulating pituitary hormones such as growth hormone.
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Which of the following statements best describes a decomposer?
A. they are abiotic and they only eat producers they are biotic
B. they consume other biotic things for energy
C. they are biotic and they break down dead material
D. they are abiotic and they eat both plants and animals
Answer:
b
Explanation:
The statement that best describes a decomposer is that they are biotic and they break down dead material; this is option C. They break down dead organic matter, such as dead plants and animals, into simpler substances that can be used by other living organisms.
What are decomposers?Decomposers are an important part of the food chain because they break down dead organic matter into simpler substances that can be reused by other living organisms. When plants and animals die, their bodies are broken down by decomposers into nutrients such as carbon, nitrogen, and phosphorus, which are released back into the soil or water. These nutrients are then taken up by other living organisms, such as plants, which use them to grow and produce their own energy.
Hence, The statement that best describes a decomposer is that they are biotic and they break down dead material that is the option C
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What is the final product of transcription?
A gene
An amino acid
An mRNA molecule
A stop code
here is the paragraph to read from:
Transcription is the process by which an RNA copy of a gene sequence is created. This copy, known as the mRNA, travels from the cell nucleus to
the cytoplasm. There, it directs the synthesis of the protein. The base code in the mRNA controls the order of the amino acids in the protein.
There are 20 amino acids used to make proteins and different codes for each acid. The tRNA reads the code. Then it brings a specific amino acid to
attach to the growing chain of amino acids. Each tRNA carries only one type of amino acid. It only recognizes one specific code. tRNA is released
from the amino acid until it comes to a stop code. Then the protein is set free from the ribosome.
Answer:
An mRNA molecule
Explanation:
Transcription is a process by which the information stored in a specific fragment of DNA called 'gene' is used to produce a complementary RNA molecule, usually a messenger RNA (mRNA). Subsequently, this mRNA is used as template to produce a polypeptide chain (i.e., a sequentially ordered amino acid chain) through the process of translation. A stop codon, also known as termination codon, is a triplet of nucleotide bases within an mRNA that signals the end of the protein when it is synthesized in the ribosome. There are three stop codons (UAG, UAA, and UGA) that are capable of stopping protein synthesis.
what's assembled during the second step of protein synthesis
Answer: Translation is the second step in protein synthesis. It is shown in Figure below. Translation takes place at a ribosome in the cytoplasm. During translation, the genetic code in mRNA is read to make a protein. In the first step, called transcription, the genetic code in DNA is copied by RNA. In the second step, called translation, the genetic code in RNA is read to make a protein. A mutation is a change in the base sequence of DNA or RNA.
Explanation:
Plsssss help
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How can alleles show incomplete dominance?
Answer:
a gene, does not completely mask the effects of a recessive allele, and the organism's resulting physical appearance shows a blending of both alleles. It is also called semi-dominance or partial dominance.
Explanation:
Which of these statements best describes a niche in an ecosystem?
the role of a species in its community
the role of a species in its population
the way a species uses the resources in its habitat
the way a species interacts with other species in its habitat
We have two kinds of rats, dark brown and light brown rats in a population. In sea shore, which kind of rats, will have higher survival rate, taking into consideration, natural selection?
a.
Neither of them
b.
Dark brown rats
c.
Light brown rats,
d.
Both of them
Answer:
a option neither of them
How do native plants respond after a degraded marsh has been restored to a healthy marsh?
Answer: slate
Explanation:
can omega 3 be artificially produced?
Your Answer:
Hello there My name is Tobie and I would be more than glad to help!After a thorough examination Your answer should be No Omega 3 or (omega-3 fats and n-3 fats) Cannot be artificially produced.
Here's why.
The reason Omega 3 cannot be created is because These are essential fats.The body can make Omega 3 but it cannot be made from scratch again also because they are essential fats .Ways the body can create Omega 3 is by eating foods that already contain Omega 3.Here are some foods that contain Omega 3 !
Fish, vegetable oils, nuts, flax seeds, flaxseed oil, and leafy vegetables.FAQS
Do avocados have Omega 3?
Avocados contain vitamins C E K and B6 some other nutrients as well to they also contain omega-3 fatty acids. But most of the calories in a avocado come from fat.
Why Omega 3 is bad for you?
Yes this plays a significant role in our diet by helping us improve our cardiovascular health having but too much of it can lead to having high blood sugar and a increased risk of bleeding.
Hope this helps!
-Tobie the dog <3
The first organisms arose from non-living molecules found on early earth. Which theory best describes how
this organism arose?
natural selection
abiogenesis
biogenesis
variation
Answer:
abiogenesis
Explanation:
a (not) biogenesis (coming from other life forms)
Biogenesis would mean that it's coming from other life forms,
Natural selection is a part of evolution (what is there to select?)
Variation is also a part of evolution (not related)
what is depolarisation
Answer:
Depolarisation refers to a sudden change in membrane
potential – usually from a (relatively) negative to positive
internal charge. In response to a signal initiated at a
dendrite, sodium channels open within the membrane of
the axon.
why do you think scientist don't use actual humans to do experiments with?
Answer:
take the average person you meet
Explanation:
Using human tissue in medical research throws up several different challenges. In our third 2012 NC3Rs 3Rs Prize post, Professor Gareth Sanger from Queen Mary, University of London, discusses how tissue removed from the stomach and intestine can actually help overcome some of these challenges.
PLEASE HELP ME I NEED CORRECT ANSWERS ON THIS ILL MARK BRAINILYESS
In snapdragon flowers, the allele for flower color shows incomplete
dominance. Flowers can be red (RR), white (WW), or pink (RW).
4. Two pink flowers are crossed, how many offspring are:
Red?
White?
Pink?
5. A red flower is crossed with a pink flower, how many offspring are:
Red?
White?
Pink?
Answer:
blanco
rojos
Explanation:
Floods, droughts, fires, and earthquakes are examples of
Answer:
the answer is natural disasters
Answer:
Natural disasters
Explanation:
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Many plants produce seeds which have small hooks on them. These hooks will attach to animals as they move past the plants. What process do these hooks help the plant with?
A. pollination
B. fertilization
C. germination
D. seed dispersal
Hydrochloric acid in the stomach provides an acidic medium that is essential for the activity of
digestive enzymes.
O True
O False
1.3. Why is it important to prioritise your life goals?
Answer:
Establishing priorities is necessary in order to complete everything that needs to be done. Prioritization is important because it with allow you to give your attention to tasks that are important and urgent so that you can later focus on lower priority tasks.
Explanation:
The offspring of the round-seed allele and the wrinkled-seed allele will have the ___________ phenotype
Answer:
4738hrjeifgt47ruj3
Explanation:
A group of researchers are studying stem length inheritance in the garden pea plant (Pisum sativum). They obtain a tall pea plant of unknown ancestry, allow it to self-pollinate, and collect 80 of its seeds. After planting the seeds, they observe the growth of 61 tall plants and 19 dwarf plants. Which of the following best explains the stem lengths seen in the offspring?
A. Stem length is inherited through incomplete dominance.
B. Dwarf stem length is a recessive trait.
C. Stem length is a sex-linked trait.
D. The tall plants likely received more nutrition than the dwarf plants.
Answer:
The answer is B
Explanation:
just cause lol
The study of a living being is called biology.
The correct answer is B.
The characters in the plant are controlled by the genes which are present on the chromosome. The genes are always present in pairs and a single gene is known as an allele. The alleles are as follows:-
DominantRecessive.According to the question, most of the offspring are tall in height due to the dominant allele while the number of the dwarf plant is less as this character is shown by the recessive genes.
The dominant plant suppresses the character of a recessive gene and hence the number of the dominant plant is always more.
Hence, the correct answer is B. Dwarf stem length is a recessive trait.
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