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Vlada [557]
3 years ago
9

The term "semi-conservative" used to describe DNA replication means that: *

Biology
1 answer:
Nady [450]3 years ago
3 0
Semi-conservative DNA replication means that one stand is new DNA and the other contains a newly synthesized strand.
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Having a hard time guys. anyone wanna cheer me up? ​
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what is bothering you im tanner

Explanation:

6 0
3 years ago
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You perform the following dihybrid cross: A blaBx Ab/aB. The A and B genes control different traits. What phenotypic ratio would
Luda [366]

Answer:

Option-D

Explanation:

In the given question the genotype of parental allele is- AbaB X AbaB. The alleles formed will be- AB, Ab,aB, ab in which the crossover allele will be AB and ab.

1. Unlinked genes

Now of these alleles are unlinked then the alleles will assort independently of each other therefore performing the punnett square we will get dihybrid ratio as 9:3:3:1 in which  

1. A_B_ are 9

2. aaB_ are 3

3. A_bb are-3

4. aabb- 1

Since the crossover allele are AB and ab therefore A_B_ are 9 and aabb- 1 represent recombinant genotype.

2. Linked genes

When the genes will be linked then chances of crossing over will be reduced as a result of which only two type of allele will be formed which are-  Ab and aB and the recombinant frequency will become less.

Crossing these allele will  form Aabb , AaBb , AaBb  and aaBB  genotypes. The recombinant ratio will decrease as A_B_ is 2 and aabb is not present.

Thus, option-4 which states that the unlinked ration is  9:3:3:1  and linked ratio is  <9: >3: >3: <1 is correct.

7 0
4 years ago
Numbers 1-5, if you know the answer to any of them, even just one, that would help:)
trapecia [35]

1.  Respiratory brings oxygen and nutrients to the cells, while the circulatory

moves gases in and out of the blood. These work together because they have to exchange carbon dioxide and oxygen with each other.

2.   The main parts and functions of the respiratory system are, the nose, pharynx, larynx, trachea, bronchi, and the lungs. As I said in the first answer, The respiratory brings oxygen and nutrients to the cells.

3. The main parts and functions of the circulatory system is the heart, lungs, arteries, veins, coronary, and portal vessels. The circulatory system moves gases in and out of the blood.

4.  There are two main parts in your lungs, the pharynx, and the larynx. So, when you swallow food, the epiglottes blocks the entrance to these two main parts. Simply..if you could breath while doing this..I think you could die.

5. They are connected to capillaries that distribute blood to and from all the cells.

3 0
3 years ago
Is plate-based or a meat-based diet is more nutritious
seropon [69]
Question: is plate-based or a meat-based diet is more nutritious

Answer: But it's also common to choose a plant-based diet because it's considered healthier. And that's for good reason. Research over many years has linked plant-based diets to lower rates of heart disease, type 2 diabetes, and some cancers (as compared with diets high in meat and other animal products

Is a meat based diet better than a plant-based diet? Answer: Mounting evidence shows that reducing meat and increasing plant-based protein is a healthier way to go. A diet with any type of meat raises the risk of heart disease and cancer, when compared with a vegetarian diet.”

Plant-based diet: A plant-based diet or a plant-rich diet is a diet consisting mostly or entirely of plant-based foods. Plant-based foods are foods derived from plants with no animal-source foods or artificial ingredients. While a plant-based diet avoids or has limited animal products, it is not necessarily vegan.

Meat based diet:

Meat is a complete, high-quality protein containing all of the essential amino acids your body needs for optimal health.


Meat provides more protein per serving (25 grams per 3 ounces) than dairy (8 grams per cup), eggs (6 grams each), legumes (12 grams per ¾ cup), vegetables or nuts (2 to 5 grams per serving).
4 0
3 years ago
Please helppp!!! will give the brainliest it's probably easy
tresset_1 [31]
I think it is amino acids
8 0
3 years ago
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