Cells belonging to Prokaryotic domain(s) generally which have the cell wall but lack organelles
The Prokaryotes are the organisms whose cells lack of the nucleus and the other organelles. Prokaryotes are mainly divided into two distinct groups: such as the bacteria and the archaea, which the scientists believe that have the unique evolutionary lineages. Most of the prokaryotes are small, a single-celled organisms that have the relatively simple structure.
The Prokaryotes are the single celled, the microscopic entities. They have neither have specialized organelles nor the prominent nucleus with the membrane. Examples of the prokaryotes that include the cyanobacteria, E. coli, the mycoplasma etc.
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Options have not been provided for the question. They are as follows:
What is the correct order for these genes using a linkage map analysis?
A. Z-X-Y-W
B. X-W-Z-Y
C. W-X-Y-Z
D. Y-W-Z-X
E. Z-X-W-Y
F. Y-X-W-Z
Between which two genes is crossing over most likely to occur?
A. B and D
B.X and Z
C. X and W
D. X and Y
E. W and Z
F. Y and W
G.Y and Z
Answer:
Correct order for these genes using a linkage map analysis: E. Z-X-W-Y
Two genes between which the crossover is most likely to occur: G.Y and Z
Explanation:
According to linkage concept, recombination frequency between two genes = distance between two genes in cM
Here, smallest distance is between X and W ( 7cM ) so they are present next to each other. Distance between X and Y is 17cM and between W and Y is 10cM so W is present between X and Y. Distance between X and Z is 13 cM. Since on one side of X, W and Y are already present Z lies on the other side. So, the final gene order comes out to be, Z-X-W-Y.
According to the gene order, Y and Z genes are farthest from each other. Chances of crossover or recombination increases with increasing distance between genes. So, Y and Z have the highest probability to show crossing over.
The children have a chance at being homogeneous for that trait. If the father was heterogeneous for the trait the four children will be heterogeneous and only one will be homogeneous for that trait.
Answer:
Complete answer: The ribosome of bacteria, mitochondria, and chloroplasts have a 70S type of ribosome. They all have their own nucleic acid. The bacterial ribosome is made of two subunits, the 50S, and 30S.
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