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Biologists refer to dominant alleles as uppercase letters and recessive alleles as lowercase letters when referring to genotype.

Genetics and evolution define an allele as a variant of the same sequence of nucleotides at the same location on a lengthy DNA molecule.

The variant DNA sequences at a locus are known as alleles, and the chromosomal or genomic location of a gene or any other genetic element is referred to as a locus.

Alleles can be identified using just one capital or lowercase letter, two, three, or more letters, or letter/number combinations. Superscripts, subscripts, or both may be present in alleles.

Alleles that are recessive are denoted by lowercase letters, while dominant alleles are denoted by capital letters.

Thus, this way, the alleles are represented.

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Answer:

This is because in biology, energy is transferred from organism to organism and some energy is lost along the way. Each energy transfer results in a loss of energy, so that energy is always at a lower level and can never be returned to its original high energy level. On the other hand, chemical elements can form products, then that reaction can be reversed and break back down into reactants. Additionally, the law of conservation of matter says that matter can't be created or destroyed, only transferred from one form to another.

Answer:

C

Explanation:

Energy flows while matter cycles

Answer:

Each kids will get Y red balloons + M green ballons ÷ 3.

Explanation:

This is because Y red balloons and green red balloons are the total number of balloons present.

The total number of ballons are Y red+M green ballons.

The total number of kids are 3.

Therefore each kids with get the addition of the ballons divided by 3.

Therefore, Y red ballons + M green ballons ÷ 3.

Answer: It is verified by testing it. If the data supports the hypothesis, then we consider the hypothesis to be verified and true. If however, the data does not support the hypothesis or refutes it, then the hypothesis is in trouble, and we have to come up with a different hypothesis to explain the observations.

Explanation:

Answer:

Competition is a relationship between organisms that strive for the same resources in the same place. ... Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area.

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If a cell's mRNA loses all of its uracils, then it will not undergo a protein synthesis or translation process.

as defected mRNA will not be able to form all anticodon thus there is no codon formation takes place for protein synthesis.

Codon: A codon is a trinucleotide sequence of DNA or RNA that corresponds to a specific amino acid.

Anticodon: An anticodon is a trinucleotide sequence complementary to that of a corresponding codon in a messenger RNA (mRNA) sequence.

Hence, If a cell's mRNA loses all of its uracils, then it will not undergo a protein synthesis or translation process.

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Answer:

It's most likely to be D.

Explanation:

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Answer:

C

Explanation:

C states that the surviving species exploite a newly available niche. When an animal migrates is trying to find food or more livable conditions. C is true because migrating usually occurs when animals want to find other new places to fit their circumstances or living conditions.

This is an example that states how the surviving species exploit a newly available niche (Option C).

In biology, the term niche refers to the match between the features of a given species and particular environmental conditions.

In conclusion, this is an example that states how the surviving species exploit a newly available niche (Option C).

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Answer:

8. decisions

9. studied

Complete question:

Model 1 – Controlled (Selective) Mating: (Imagen in the attached files, PNG)

4. If each mating pair has one offspring, predict how many of the first generation offspring will  have the following genotypes.

BB Bb bb

7. If the population of beetles in Model 1 mated naturally would your prediction for the offspring  in Question 4 still be valid? Explain.

Answer:

7) If the population of beetles in model 1 mated naturally, the prediction for the offspring in Question 4 would not be valid. The number of individuals with each genotype in the F1 would change because there would be other possible types of crosses:  Bb x bb, Bb x Bb, bb x bb

Explanation:

Due to technical problems, you will find the complete explanation in the attached files (PDF)

Answer:

A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

Answer:

A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

Explanation:

Answer:

a is perpendicular to c will be the answer.

Answer:

2nd 1 is because the letters are caps

1st 1 is more common

Explanation:

Answer:

A mouse would obtain energy from plants that have vitamins and minerals, and protein from things like nuts. An owl would get protein from eating a mouse and vitamins and minerals from the things the mouse ate.

Explanation:

It's all one big circle. These nutrients would provide the energy needed to perform everyday tasks.

DNA replication is a truly amazing biological phenomenon. Consider the countless number of times that your cells divide to make you who you are—not just during development, but even now, as a fully mature adult. Then consider that every time a human cell divides and its DNA replicates, it has to copy and transmit the same sequence of 3 billion nucleotides to its daughter cells. Finally, consider the fact that in life (literally), nothing is perfect. While most DNA replicates with fairly high fidelity, mistakes do happen, with polymerase enzymes sometimes inserting the wrong nucleotide or too many or too few nucleotides into a sequence. Fortunately, most of these mistakes are fixed through various DNA repair processes. Repair enzymes recognize structural imperfections between improperly paired nucleotides, cutting out the wrong ones and putting the right ones in their place. But some replication errors make it past these mechanisms, thus becoming permanent mutations. These altered nucleotide sequences can then be passed down from one cellular generation to the next, and if they occur in cells that give rise to gametes, they can even be transmitted to subsequent organismal generations. Moreover, when the genes for the DNA repair enzymes themselves become mutated, mistakes begin accumulating at a much higher rate. In eukaryotes, such mutations can lead to cancer.

Answer:

Gravity is one of those things we take completely for granted. And there are two things about it that we take for granted: the fact that it is always there, and the fact that it never changes. If the Earth's gravity were ever to change significantly, it would have a huge effect on nearly everything because so many things are designed around the current state of gravity.  Before looking at changes in gravity, however, it is helpful to first understand what gravity is. Gravity is an attractive force between any two atoms. Let's say you take two golf balls and place them on a table. There will be an incredibly slight gravitational attraction between the atoms in those two golf balls. If you use two massive pieces of lead and some amazingly precise instruments, you can actually measure an infinitesimal attraction between them. It is only when you get a gigantic number of atoms together, as in the case of the planet Earth, that the force of gravitational attraction is significant.  The reason why gravity on Earth never changes is that the mass of the Earth never changes. The only way to suddenly change the gravity on Earth would be to change the mass of the planet. A change in mass great enough to result in a change in gravity isn't going to happen anytime soon.

Explanation:

But let's ignore the physics and imagine that, one day, the planet's gravity turned off, and suddenly there was no force of gravity on planet Earth. This would turn out to be a pretty bad day. We depend on gravity to hold so many things down -- cars, people, furniture, pencils and papers on your desk, and so on. Everything not stuck in place would suddenly have no reason to stay down, it would start floating. But it's not just furniture and the like that would start to float. Two of the more important things held on the ground by gravity are the atmosphere and the water in the oceans, lakes, and rivers. Without gravity, the air in the atmosphere has no reason to hang around, and it would immediately leap into space. This is the problem the moon has -- the moon doesn't have enough gravity to keep an atmosphere around it, so it's in a near-vacuum. Without an atmosphere, any living thing would die immediately and anything liquid would boil away into space.  In other words, no one would last long if the planet didn't have gravity.  If gravity were to suddenly double, It would be almost as bad, because everything would be twice as heavy. There would be big problems with anything structural. Houses, bridges, skyscrapers, table legs, support columns, and so on are all sized for normal gravity. Most structures would collapse fairly quickly if you doubled the load on them. Trees and plants would have problems. Power lines would have problems. The air pressure would double and that would have a big effect on the weather.  What this answer shows you is just how integral gravity is to our world. We can’t live without it, and we can't afford to have it change. It is one of the true constants in our lives!

Answer:

Hydrogen

Explanation:

2 between A-T and 3 between G-C

Answer:

false

Explanation:

please mark brainliest

Answer:

Tectonic plates moving

Explanation:

Answer:

Slowly

Explanation:

Oil spills, polluting factories and power plants, raw sewage, toxic dumps, pesticides, freeways, the loss of wilderness and the extinction of wildlife

Answer:

Species is the Answer

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Answer:

Read Below

Explanation:

Wallace is often referred to as the father of modern biogeography. 6. The finger bones inside manatee and whale flippers are evidence that these living species are modified forms of older species.