The answer is between A and C.
Answer:
The genes are linked, and the arrangement is coupled (one homolog has both dominant alleles; the other homolog has both recessive alleles).
RY
/
ry
Explanation:
R_= colored aleurone
rr= colorless aeurone
Y_= green plant
yy= yellow plant
They do a testcross between a plant of unknown genotype and phenotype and a plant that is homozygous recessive for both traits (yr/yr) the following F1 is obtained:
- 88 Colored, green (RY/ry)
- 92 colorless, yellow (ry/ry)
- 8 colorless, green (rY/ry)
- 12 colored, yellow (Ry/ry)
If the genes assorted independently, all of the possible offspring phenotypes would appear in the same frequency. However, they obtained 2 phenotypes much more abundant that the other two. Since recombination is a rare event during crossing over, when two genes are linked the recombinant gametes are produced less frequently than the parentals.
We can propose that the phenotypes Colored, green (RY) and colorless yellow (ry) are the parental gametes, and the unknown plant has the arrangement RY/ry, with both genes linked.
Answer: Possession of traits that aid their survival in extreme conditions.
Explanation: Because archaea that grow in extreme environments possess certain characteristics that aid in their survival in the extreme weather conditions. Those traits are studied regularly to improve other plants.
Ventricular tachycardia has the greatest chance of deteriorating into a pulseless rhythm in cardiac dysrhythmias.
A cardiac dysrhythmia may also be called a cardiac arrhythmia or an irregular heart rhythm.Cardiac dysrhythmia (arrhythmia) is an irregular or irregular heartbeat. If you have dysrhythmia, your heart may beat too fast or too slowly. Or your heart rhythm may be disrupted, leading you to feel like your heart is skipping a beat. Although dysrhythmias can be harmless, they can cause serious health problems if left untreated. The words dysrhythmia and arrhythmia are different especially in linguistic sense. A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. Heart arrhythmias occur when the electrical signals that regulate the heartbeat do not work properly.
To know more about cardiac dysrhythmias please click on the link brainly.com/question/29429411
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I think the best answer would be A. since the number of prairie dogs decreased from the picture on the left to the picture on the right. Hope this helped :p
