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soldi70 [24.7K]
2 years ago
8

what are the possible phenotypes of the offspring from the cross above of round seeds (R) are completely dominant to wrinkled se

eds (r)? what would the possible phenotypes be if round seeds were incompletely dominant to wrinkled seeds
Biology
1 answer:
Mrac [35]2 years ago
8 0
Assuming that you're talking about two homozygous seeds (RR and rr), 75% of the seeds would be round, and the other 25% would be wrinkled. 
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Briefly define the purpose of the following organelles: Nucleus, Ribosome, Nucleolus, RER (Rough Endoplasmic Reticulum), SER (Sm
Dafna1 [17]

The Nucleus contains most of the genetic information for making proteins

The ribosome is the place where the polypeptide strand and the mRNA meet in order to create a protein

Nucleolus has a role in the biogenesis of the ribosomes

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SER-intracelular transport,lipid synthesis and it is the place where the glicogen is metabolized

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5 0
3 years ago
Chiasma form during meiosis I but not during mitosis. <br> a. True <br> b. False
Goryan [66]

Answer:

True

Explanation:

Chiasma is the site of crossing over. It is an X-shaped site that appears in a tetrad (bivalent) chromosome during the diplotene stage of prophase I of meiosis I. Crossing over refers to the exchange of segments of chromatids and occurs between homologous chromosomes only. Crossing over is the event of prophase I of meiosis I and produce new gene combinations.

The homologous chromosomes are separated from each other but remain attached at chiasmata. The dissolution of chiasmata occurs by the end of prophase I and separates the homologous chromosomes completely from each other. Crossing over does not occur in mitosis. Since mitosis does not include crossing over, chiasmata are also not formed in mitosis.

4 0
3 years ago
Which statement about the energy yields from cellular respiration is true? The heat produced during cellular respiration is only
Kisachek [45]

Answer:

In a eukaryotic cell, the process of cellular respiration can metabolize one molecule of glucose into 30 to 32 ATP. The process of glycolysis only produces two ATP, while all the rest are produced during the electron transport chain.

Explanation: its correct

3 0
2 years ago
A codon that coppies the DNA'S messages is made by mRNA in a process called
Charra [1.4K]
The answer to your question is dna replication.
5 0
3 years ago
What is the likeliest limiting factor restricting phytoplankton to approximately the top ten feet of the ocean, rather than deep
serg [7]

Quality of light is the limiting factor restricting phytoplankton to approximately the top ten feet of the ocean, rather than deeper

Explanation:

When sun rays pass through the water in the oceans, they are quickly diffused and cannot penetrate very deep into the deep water layers. Remember that phytoplanktons are photosynthetic organisms and hence require sunlight to manufacture their own food. They, therefore, cannot grwo in deeper layers of the oceans. They are only found in the photic zone.

The quality of light is especially of most importance and hence the major limiting factor. Red light, of longer wavelength, and which is the major wavelength of light that is used the most by photosynthetic organisms, diffuses very fast than blue light when it passes through water. Therefore the more reason phytoplankton is found in the top ten feet of the ocean, rather than deeper.

Learn More:

For more on phytoplankton check out;

brainly.com/question/8777727

#LearnWithBrainly

4 0
3 years ago
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