Answer:
This question is incomplete as it lacks options, however, it will be answered BROADLY so the it can be understood enough to select the correct answer.
Please find the explanation below
Explanation:
Cells perform different functions and look differently because of the process of CELL DIFFERENTIATION. All cells arise from a single stem cell, which then gradually differentiates into different types of cells with different functions, as they divide.
At the molecular level, these different types of cells contain the same DNA sequence as rightly stated in the question. However, they look and perform differently because some of the genes are turned on while the others are turned off via the process of GENE EXPRESSION.
Therefore, a blood cell and skin cell possess exactly the same DNA sequence but look different and perform different functions because of CELL DIFFERENTIATION in which some genes on the DNA sequence are expressed and others are repressed. For example, in the blood cell; the genes coding for certain proteins found in blood are expressed while every other gene is silenced or inhibited. This allows those cells to perform only blood-related functions.
Answer:
if i'm not mistaken it's the nucleic acid.
A:acquiring energy
B:homeostasis
C:maintaining its structure
D:reproduction
Answer:reproduction
Cladograms have a cladistic characteristic and a phylogenetic tree where it examines and illustrates the evolutionary relationships of organisms. Evolutionary relationships are determined through various models such as DNA, morphology, embryology and others.
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Answer:
The adopted child is the one with type O blood.
Explanation:
<u>Available data:</u>
- A man with type AB blood is married to a woman with type O blood.
- They have two biological children and one adopted child.
The man´s genotype for blood type is AB (Codominant type of blood) and the woman´s genotype for blood type is OO, as this type of blood is expressed by two recessive alleles.
Cross:
Parental) AB x OO
Gametes) A B O O
Punnet square) A B
O AO BO
O AO BO
F1) Half of the biological progeny will be AO and the other half BO.
There are no possibilities that any of the biological child could be OO. This means that the adopted child´s blood type is O and the biological children´s blood type are A and B.