Answer:
a
Explanation:
<em>The correct answer would be that the error in the DNA sequence results in an error in the mRNA molecule during transcription, the error in the mRNA molecule results in an incorrect amino acid in the hemoglobin protein which makes it non-functional. The resulting trait is sickle cell disease.</em>
<u>The direction of the flow of information during genetic inheritance is from DNA to mRNA and finally to protein</u>. The information in the DNA is encoded into mRNA during transcription and the encoded information is translated into protein during the process of translation.
Hence, once there is an error in the DNA, the error is passed on to the mRNA during transcription. The consequence of this error is that the wrong amino acid is translated from the wrong codon.
Hence, the substitution of the correct amino acid by the wrong one in the hemoglobin protein results in a defect or non-functional protein. One of the phenotypic implications of this kind of error is sickle cell disease.
The correct option is a.
Answer:the expected phenotype of the F1 would be 100% white and for the F2 the outcome would be 3/16 brown and 13/16 white.
Explanation:Given the parents Silkie homozygous aabb and leghorn homozygous AABB.
The F1 would be 100% White chickens. According to Mendel's law of segregation.
The F2 expected phenotypic outcome would be 3/16 brown chickens and 13/16 white chickens.
Only the recessive chicken for Leghorn gene and dominant or hybrid for the Slkie gene would end up being brown chicken. This is shown in the picture attached.
Answer: c. 0.15%
Explanation:
The blood alcohol concentration or BAC refers to the percentage of alcohol present in the bloodstream. The value of blood alcohol concentration of 0.15% is very high. It will affect the balance of voluntary muscles, walking and talking will also become difficult. The person will experience a severe increase in the rate of heart, the body temperature will rise, the person will experience irregular breathing and the bladder control will become weak.
1. Their embryonic development is different.
2. They are more advanced than acoelomates, but not as advanced as deuterostomes.