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11Alexandr11 [23.1K]
3 years ago
14

In this example, a flower can either express the dominant trait (R), red petals, or the recessive trait (r), yellow petals. If t

wo heterozygous flowers are crossed, what are the chances of there being an offspring with yellow petals?
25%

50%

75%

100%

Biology
1 answer:
bekas [8.4K]3 years ago
7 0

Answer:

25%

Explanation:

Since there are 2 flowers, start with 50% and 50% to make it simple. And since the red is dominant, it's stronger than yellow. So instead of them being equal chances, it's 75% to 25%. Hope this helped!

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What would happen if there were no germ-line mutations or genetic recombination possible in a population? (2 points) Genetic var
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Germ-line mutations are mutations that would be passed down to future generations, and recombinations are where the information each parent passes down to the offspring is shuffled. 

The genetic variation would have to come from random events: False
Only alternate generations would express any genetic variable: False
Body cell mutations would be the only source of heritable genetic variation: False
There would be no new heritable genetic variation possible in the population: True
3 0
3 years ago
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Label the features of the stomach and nearby regions in this frontal section of a cadaver (anterior view)
Fantom [35]
1- Pyloric sphincter
2-Duodenum
3- Bile duct
4-Pancreatic duct
5-Esophagus
6-Lower esophageal sphincter
7-Fundus of stomach
8- Cardia
9-Body of stomach
10-Pyloric part

The <span>esophagus(5) connects to the stomach.</span>
<span> The food passes,from the pharynx, to the esophagus, to the stomach. This process is aided by peristaltic movements done by esophagus muscles.
This organ contains two sphincters:</span><span>the upper and the lower esophageal sphincter.
 
</span>The stomach is divided into four parts:
<span><span>1-The cardia (8) - this part is connected to  the esophagus and its where  the epithelium changes from stratified squamous to columnar.
In this region is the lower esophageal sphincter (6).

</span>2--The fundus(7)- It's formed by the upper curvature of the stomach.

3- the body(9)- is the main part; and the biggest

4-The pylorus/</span><span> Pyloric part (10) - is the lower region. This part is connected to the small intestine, the duodenum. In this region there is a </span>
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8 0
3 years ago
A tropical rainforest typically has _ layers.<br> a ) 2<br> b ) 3<br> c ) 4<br> d ) 5
Ivanshal [37]

Answer: I think it is b

Explanation:

8 0
3 years ago
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10 pounds of walnuts cost $50. How much does 1 pound of walnuts cost?
valentina_108 [34]

Answer:

$5 is the cost of 1 pound of walnuts

P (Pounds) = 5D (Dollars)

Explanation:

Since 10 pounds of walnuts = $50.

Let 1 pound of walnuts = Z

then, cross multiply

So, Z = ($50 X 1 pound) / 10 pounds

Z = 50/10

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Thus, 1 pound of walnuts will cost 5 Dollars while P (Pounds) = 5D (Dollars) is the equation that shows the relationship between pounds and dollars

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Answer:

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Nucleotides are biological molecules consisting of 3 major sub units which are the nitrogenous base, the phosphate acid and the 5 carbon (ribose) sugar. They are the building blocks of DNA and RNA and hence monomers.

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3 years ago
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