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ruslelena [56]
3 years ago
12

How do molecular genetics add to our understanding of genes?

Biology
1 answer:
Ber [7]3 years ago
5 0
We are able to explain how we get the traits that compose us from the atomic level, and how they're chemically passed down down the generations
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A scientist is studying genes with complete dominance in flowers. If one parent is homozygous for the dominant gene, what princi
Pani-rosa [81]

Answer:

A. All offspring will be affected by the dominant traits

7 0
3 years ago
What is a radioactive isotope?
saul85 [17]

B. An atom whose nucleus is unstable and emits particles and and energy. This is a Radioactive isotope.

The atomic nuclei of constituent atoms of the same element include the same number of protons but different numbers of neutrons. Radio isotopes are an element's radioactive isotopes. They can alternatively be described as atoms with an excess of energy in their nucleus or atoms with an unstable ratio of neutrons to protons. A radioisotope's unstable nucleus can form either spontaneously or as a result of a deliberate alteration of the atom. Radioisotope production can occur using either a cyclotron or a nuclear reactor. Molybdenum-99, which has a high neutron content, can be produced most effectively in nuclear reactors, whereas fluorine-18, which has a high proton content, can be produced most effectively in cyclotrons. Uranium is the most well-known illustration of a radioisotope that is found naturally. Uranium-238 constitutes all naturally occurring uranium with the exception of 0.7%.

Learn more about Radioisotopes

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4 0
1 year ago
suppose you found a bone of a mastodon which had 6.25%c14and93.75%n14 how long ago did this animal die​
lisabon 2012 [21]

Answer:

t= 3886.18 years old

Explanation:

Whenever an animal dies de C14 and N14 begin to disintegrate in such a way that the proportion between C14 and C12 decreases, with a semi-disintegration period of 5.730 years, T. To get to know how long it takes an element to disintegrate, we must use this semi-disintegration period, which is the time it takes until the amount of the element is reduced to its half.  

We can find the age of the fossil, t, by using the next formula:

t = - (T x ln (C14))/ ln (2)

t = - (5730 x ln (0.625)/0.693

t= - (-2693.12)/0.693

t= 3886.18  

3 0
3 years ago
Temporary storage sites in the cytosol for substances such as pigments or nutrients are called?
NemiM [27]

Temporary storage sites in the cytosol for substances such as pigments or nutrients are called inclusions.

Pigments are the compounds that have a certain color and provide color to other structures indie the body. For example in plants chlorophyll is the pigment that provides green color to the leaves and stem. In humans and other animals, the blood consists f red colored pigment called hemoglobin.

Inclusions are the non-living objects inside the cell. They can be anything like pigments or any other molecules, that performs no function inside the cell. They are also called ergastic substances and do not even have any membrane.

To know more about pigments, here

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8 0
1 year ago
In the universal ABO blood grouping system, there are four phenotypes—A, B, AB, and O—which are determined by three different al
charle [14.2K]

Answer:

The correct answer is - autosomal codominant inheritance (due to multiple alleles).

Explanation:

Autosomal codominant inheritance or codominance is a pattern of inheritance where the alleles present of an autosomal gene express their character in the phenotype. In other words, in this type of pattern, no allele would be masked by other alleles and both will be expressed in the phenotype.

The human ABO blood group is an example of this pattern as there are three alleles A, B, and O. In the heterozygous case of AB blood group both A, and B alleles expressed together however, O is masked by both alleles A, and O.

7 0
3 years ago
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