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makvit [3.9K]
3 years ago
5

When a cell copies a DNA molecule

Biology
1 answer:
Irina18 [472]3 years ago
6 0

Answer:

mm,..

Explanation:

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Map pling Sickle-cell anemia is a disease that affects the type of hemoglobin (Hb) a person makes in his or her red blood cells.
topjm [15]

Answer:

The correct answer is codominance.

Explanation:

It is given in the question that the genotype of Martin is HbS/HbS, and is exhibiting sickle cell anemia with unusual hemoglobin. On the other hand, the genotype of Cindy is HbA/HbA, which shows that she possesses normal hemoglobin. Both of them have a child, Mary who as usual is exhibiting genotype HbS/HbA.  

This shows that Mary has acquired both the alleles for sickle cell anemia from her parents, and thus, is demonstrating both unusual and normal form of hemoglobin. Sickle cell is a condition that does not demonstrate the phenomenon of complete dominance, as it is a codominant trait.  

A phenomenon in which the features of both the alleles are expressed in the phenotype is termed as codominance. Hence, Mary is demonstrating a codominance pattern.  

6 0
3 years ago
Which statement best describes an interaction between the muscular system and the respiratory system?
Readme [11.4K]
The respiratory system cools the muscular system. The respiratory system acts as the support system for the muscular system. The respiratory system brings oxygen into the body for the muscular system to use.
4 0
2 years ago
Which form of prevention takes place after the precursors of disease interact with the host?
Orlov [11]
<span>The answer would be: both tertiary and s<span>econdary

Primary prevention is the only form of prevention that happens before the disease interact with the host. Primary prevention tries to prevent a disease in the healthy person. Secondary prevention would be early diagnosis and prompt treatment. Tertiary prevention focuses on the improving quality of life.</span></span>
7 0
3 years ago
Living things can be classified based on which of these criteria? (Select all that apply.)
Leokris [45]

Answer:

classifying organism

Explanation:

the main criteria for classifying organisms into five kingdoms are complexity of cell structure body organization the mode of nutrition lifestyle and phylogenetic relationship this system consists Monera,protisa,fungi,plantae,amimalia

7 0
3 years ago
Read 2 more answers
Three ways in which electric current helps you do work
Keith_Richards [23]


it powers machines and devices it gives you light and it makes the buildings run


8 0
3 years ago
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