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NikAS [45]
2 years ago
13

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Biology
1 answer:
lys-0071 [83]2 years ago
6 0

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In gymnosperms, the seed coat develops from the integument. in angiosperms, the seed coat develops from the __________.
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<span>In gymnosperms, the seed coat develops from the integument. in angiosperms, the seed coat develops from the </span>integuments.
3 0
3 years ago
A phenotypic ratio for a dihybrid cross is predicted to be 9:3:3:1. The experimental values are:
Maslowich
Two traits that we are examining are the color (purple/white) and the smoothness. 
In our sample, we have 135 individuals ( 75 +28+24+8= 135).

Since we know that expected ratio of a dihybrid cross, is <span>9:3:3:1 we can calculate what is the expected values of each phenotype is.

So, for the white wrinkled phenotype, we expect that there will be one-sixteenth of the whole sample ( there are 16 parts of the whole sample 9+3+3+1=16).
So, we multiply the whole sample- 135 with one-sixteenth (or </span>0.0625) and get 8,4375.
When you calculate the values for all phenotypes you get results shown in the attached excel table.
When you have your expected and experimental values you compare them with a chi-square test. (The test determines if the difference between the expected and experimental results is statistically significant).


4 0
3 years ago
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Which of the following is an autotroph? a. mushroom b. tree c. deer d. wolf
aliina [53]

The right answer is b. Tree.

Some plants (like trees) have evolved with different unusual nutritional adaptations over time. Heterotrophic plants are plants that use only or partly a source of organic carbon to grow, unlike the most common autotrophic plants, which use inorganic carbon and water to grow, often through the process of photosynthesis (photoautotrophic).

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One of the following results when rocks that are under stress from the internal earth processes that produce continents and ocea
Furkat [3]
I’m not sure I’m probably rlly wrong but I think the answer is E
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Identify the main function of a stereo dissection microscope
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Explanation:

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