Pea plants can have yellow seeds as the meaning of y is correct if the allele combination yy is for yellow seeds are yellow and dominant.
This question involves a seed color gene, which has two alleles Y and y. Y, which represents the dominant allele codes for the YELLOW trait while y which represents the recessive allele codes for the GREEN trait. Therefore, a plant with Yy will have YELLOW SEEDS because the dominant Y allele is present.
What are two alleles?Gregor Mendel has stated that a gene comes with two alleles. According to his law of dominance, one of the alleles called the DOMINANT allele is capable of masking the phenotypic expression of another allele called the RECESSIVE allele.
Thus it is clear that yellow and dominant are the meaning of y is correct if the allele combination yy is for yellow seeds.
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Answer:
its A yellow and dom
Explanation:
just took the test edg spr 22
what are the chromosomes of an animal
Answer:
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique
Explanation:
Answer & Explanation:
Chromosomes in an animal are thread-like structures located inside the nucleus of the cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
A diagram of a plant cell is shown.
The process being represented is ____.
A. Meiosis
B. Mitosis
C. Respiration
D. Mutation
Answer:
Mitosis
Explanation:
All the pictures represent the 5 phases of mitosis: interphase > prophase> metaphase> anaphase> telophase
It cannot be considered as meiosis because we have a single cell dividing into 2, neither a respiration or mutation
A recent increase in pesticide use has resulted in a decrease in the local bat population. What is the BEST explanation for the decreased bat population?
1. Bat food supply decreased.
2. Bat food supply increased.
3. Infection with the pesticide destroyed most of the bat population.
4. Many bats have moved into the area.
Answer: 1. (A bat food supply decreased.)
Explanation:
What do you notice about each beaker?
Answer:
The more sugar added to each beaker, the more active the yeast becomes.
Which plant structures are common to all angiosperms?
spores
flowers
cones
endoskeleton
Answer:
Option B. (Flowers) is correct!
Explanation:
A plant structure common to all angiosperms is the flowers, which are reproductive structures formed from four whorls of modified leaves. The angiosperms have two structures that ensure their reproductive success: flowers and fruits, being the flowers the one that forms a cooperative evolutionary relationship with insects, and other animals to help disperse the pollen from the female plant gametophytes.
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A tooth has an exposed ______, a constricted ______, and one or more roots that anchor it to the jaw. multiple choice question.
Answer:
crown, neck.
Explanation:
A tooth has an exposed crown, a constricted neck, and one or more roots that anchor it to the jaw.
Which of the following are examples of habitats where sympatric speciation could occur?
Choose one or more:
A. different locations along the Great Barrier coral reef in Australia
B. opposite sides of a mountain range
C. the North Rim and South Rim of the Grand Canyon
D. an elevational gradient on the south-facing slope of a mountain
E. varying water depths in a lake
An example of habitats where sympatric speciation occur is the North Rim and South Rim of the Grand Canyon.
What is Sympatric speciation?Sympatric speciation refer to evolution of a new species or the creation of new species from the ancestal species that is alive and surviving while both of them continue to live in the same geographic region. In evolutionary biology and biogeography, sympatric refer to organisms that have ranges and their ranges overlap so that they occur together some places.
The individual are dependent on some physical needs like shelter, food and so on.
Therefore, An example of habitats where sympatric speciation occur is the North Rim and South Rim of the Grand Canyon.
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A population of cells carrying a desired plasmid is called a.
Answer:
it is called a clone
Explanation:
DNA used to transmit a gene from one organism to another there fore it being a clone
Answer:
Clone
Explanation:
A population of cells carrying a desired plasmid is called a Clone. Self-replicating DNA used to transmit a gene from one organism to another is a Vector
What will happen if Mars was not closer to the sun?
Answer:
It would not affect Earth at all, but Mars would be colder and dark most of the time, like the planets far away from the sun.
Explanation:
Answer:
Mars is already a cold planet but if it moved farther to the sun, it would mess up all of the other planets' orbit.
what is the difference between segregation and independent assortment? Will give brainiest award/ 72 points
Answer:
The Law of Segregation states that the members of each pair of alleles separate when gametes are formed. A gamete will receive one allele or the other. The Law of Independent assortment states that two or more pairs of alleles segregate independently of one another during gamete formation, so basically the Law of Independent Assortment, also known as "Inheritance Law", means that the inheritance pattern of one trait will not affect the inheritance pattern of another.
Explanation:
Can someone help me please?
Explanation:
the first one and the last one is transverse
The first of these to occur when a new volcanic island rises out to the sea is
topsoil is formed.
lichens grow.
mosses grow.
rock cools and cracks.
Answer:
D
Explanation:
Rock cools and cracks because the topsoil can't be formed until the rocks crack, and if the topsoil isn't formed then nor lichens nor mosses can grow.
Of the following anatomical structures, which is homologous to the bones in the wing of a bird?
Answer:
The Flipper of whale and the wing of bird have similar morphology and anatomy but differ in their functions according to their species as well as the habitat where they live in
The wings of the birds are homologous to the flippers of whales. Both of these homologous organs possess similar structures and morphology.
What do you mean by Homologous organs?Homologous organs may be defined as the organs of different animals that are having a similar structure but differ in their functions.
Both the wings of the birds and the flippers of the whales are homologous organs that have different functions birds fly with the help of wings while whale swims with the help of flippers.
Therefore, the wings of the birds are homologous to the flippers of whales.
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Siamese cats and Himalayan rabbits have light-colored bodies but darker-colored paws, ears, and tail due to an enzyme whose activity varies with temperature. This is an example of ______.
The special features in the Siamese cats and Himalayan rabbits is an example of adaptation.
What is adaptation?Adaptation refers to the special features or structures that an organism possesses which makes it better suited to survive and reproduce in its environment.
Adaptations helps an organism to:
find foodfind matesavoid predators survive extreme climatic conditionsThe features in the Siamese cats and Himalayan rabbits due to enzyme activity that varies with temperature is an example of adaption.
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Which process of respiration relies on partial pressure gradients to move air in and out of the lungs
what is variations.
Answer:
1 : a change in form, position, or condition Our routine could use some variation.
2 : amount of change or difference Scientists record the variations in temperature
Explanation:
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An elephant has 56 chromosomes. Which statement about a zygote of an elephant is true?
Answer:
alright if this works the same way it does with humans (i'm almost totally sure it does but just in case) the answer is: the zygote has 56 chromosomes, 28 inherited from the mother and 28 from the father.
Explanation:
R 16 (050SMC)
Primary production isted in much of the open ocean by low levels of won, which is a necessary phytoplankton rent it has been suggested by some that pumps could be placed in these
phytoplankton blooms. What problem uma mpact) do you think scientists would be trying to address with this biotechnological approach?) ponto)
would move on her from the deep to the
whole thing
O Reduction in Iron pollution in ocean sediments
O Reduction of bycatch
Reduction of the greenhouse gas carbon dioxide in the atmosphere
Reduction of the human impact on marine species diversity
Answer: Reduction of the greenhouse gas carbon dioxide in the atmosphere
Explanation:
phytoplankton use photosynthesis to take the sun’s light waves and convert it into energy. They also take carbon dioxide and convert it into oxygen for other organisms to breathe.
Which of the following would NOT
inhabit a freshwater biome?
A. Crawfish
B. Catfish
C. Sharks
D. Insects
I
The following that would NOT inhabit a freshwater biome is a Shark. Option C is correct.
What is a habitat?An organism's habitat is the place where it makes its home. Habitat provides all of the necessary environmental circumstances for an organism to thrive.
In conclusion, Crawfish, Catfish, and Insects are all habitats of the freshwater biome.
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What is the role of DNA?
a: to allow substances to enter the cell
b: to fight infections
c: to encode genetic information and control the cell
d: to release cytotoxins
Answer:
c
Explanation:
every thing related to dna is encoding or transcribing genetic info or genes
Answer:
To encode genetic information and control the cell
Explanation:
I GUESS
In the Hardy-Weinberg principle, the actual number values of p and q will not change if five specific conditions are being met. This indicates
Question 1 options:
evolution is occurring only because of mutations
evolution is not occuring
evolution is occurring rapidly because of climate change
evolution is occurring because of natural selection
In the Hardy-Weinberg principle, the values of p and q will not change if evolution is not occurring.
What is the Hardy-Weinberg principle?The Hardy-Weinberg principle is a model used in population genetics to estimate genotypic and allele frequencies in a population.
The Hardy-Weinberg principle states that allele and genotypic frequencies remain constant in absence of evolutionary forces.
These evolutionary forces include nonrandom mating, gene drift, gene flow, mutation and natural selection.
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What characteristic of the genetic code points to a common ancestry for all organisms?
Answer:
The code contains 64 codons. The genetic code is almost universal.All living organisms store their genetic informations using the same molecules which are DNA and RNA
Explanation:
what is the function of phloem?
Answer:
While the main role of the phloem tissue is to transport carbohydrates from sources to sinks through the sieve elements, phloem is also composed of parenchyma cells, which play a key role in the storage of water, non-structural carbohydrates and storage proteins (Rosell 2016)
Which principle of heat exchange is the most important explanation for why birds look larger in colder weather because they fluff their feathers?.
Hello, I don't mean much, but what are the signs and symptoms of cholera?????
Answer:
Diarrhea (Stool appears pale and milky)
Fatigue and weakness
Nausea and vomiting
Dehydration
Electrolyte Imbalance
Low blood pressure
Loose skin and dry mouth
Rapid heart beat
Weight loss
Explanation:
In almost 70% of cystic fibrosis cases, a set of three base pairs is lost from chromosome 7. this results in the loss of an amino acid in the cftr gene, causing cystic fibrosis.
what type of mutation is described?
-deletion
-nondisjunction
-substitution
-translocation
Almost 70% of cystic fibrosis cases result in the loss of an amino acid in the CFTR gene, causing cystic fibrosis due to a deletion.
What is a mutation?A mutation is any genetic alteration in the genetic material (DNA molecule) of the genome of an organism.
A deletion is a special type of mutation where nucleotide bases are lost from the genetic material.
Insertions and deletions are mutations collectively referred to as indels, whereas single nucleotide polymorphisms are called SNPs.
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If you soak seeds in water to soften them, and then cut them in half and stain them with iodine, most of the inside of the seed will change color, turning a purplish-black. What substance is the iodine reacting with to cause this color change?
Answer:
Starch
Explanation:
Starch consists of amylopectin and amylose, and is found in plants. In the presence of iodine, amylose starch turns a dark purple or blue color, due to the absorption of different wavelengths of light than before.
What genotypes would you expect in future offspring from this marriage? select all that apply. ii i a i i b i i a i a i b i b i a i b
The genotyoe of the offspring can be obtained from the genotype of the parents using a punnet square.
What is genotype?The term genotype refers to the sum total of the genes that an organism receieves from its parents. We have to note that genes often occur in pairs called alleles. The combination of gene alleles controls the expressed trait in the organism.
This question is incomplete. However, we do know that the genotyoe of the offspring can be obtained from the genotype of the parents using a punnet square.
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Explain the difference between a lateral moraine and a terminal moraine.
Answer:
Terminal moraines are found at the terminus or the furthest (end) point reached by a glacier. Lateral moraines are found deposited along the sides of the glacier. Medial moraines are found at the junction between two glaciers.
Do you think your classroom population is a typical representation of a larger population such as your entire school
My class can not be a representation of the larger school because my class consists of people of the same age bracket and the same level of study.
What is a representative population?A representative population is a population that reflects the whole. A sample must be taken in such a way that it can effectively reflect the components of the whole.
My class can not be a representation of the larger school because my class consists of people of the same age bracket and the same level of study. The school is composed of different classes occupid by students of different age groups and different levels of study.
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