Given our understanding of genetics, we can confirm that the gene in question is of the homeotic type.
<h3>What is a gene? </h3>
- In biology, we refer to a gene as the most basic unit of genetic information.
- It is a segment of DNA that encodes for a certain trait that <u>may or may not be expressed.</u>
- A gene carries the information for a specific trait, for example:
1) Eye color
2) Body organization
3) Height
<h3 /><h3 /><h3>What does it mean for a gene to be homeotic?</h3>
- In the case of this question, the gene in question is a homeotic gene.
- Homeotic genes are those that are in charge of the organization of the organism's body.
- These genes control the <u>general pattern of the body</u>, such as where the arms and legs will be, and so on.
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Therefore, given the definition of a homeotic gene, we can confirm that this is the type that best fits the description of the mutation in the question since it affected the formation and normal organization of the body.
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Answer:
Plant is a producer in food chain
A man with hemophilia (a sex-linked recessive condition) has a daughter without hemophilia, the probability of their children having hemophilia is 50%, out of 4 children probably 2 will have hemophilia and 2 will not have hemophilia.
<h3>What is recessive and dominant?</h3>
The dominant term is related to the genetic transmission of a trait and is represented, in biology, by a capital letter (A, B or V). While recessive, represented by a lowercase letter (a, b or v), they represent genetic traits transmitted only in the absence of the dominant gene.
With this information, we can conclude that Recessive genes produce proteins considered “defective” as they become inactive. That is, they are hidden (recessive) with the presence of a dominant gene manifesting their characteristics in the absence of their dominant allele.
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Answer: A. The genes encode resistance to antibiotics.
D. The genes are carried on plasmids
F. The "clock"genes are highly mobile between species.
Explanation:
Molecular clock is a tool that is used to calculate the time of the evolutionary events. These are the gene sequences that are used to determine the evolutionary distance between the new and primitive organisms developed on earth. It also measures the random changes just like mutation. Thus the molecular clock is also called as the gene clock or evolutionary clock.
The accuracy of the molecular clock can be increased by the genes that encode for a resistance against the antibiotics, the genes that are carried on the plasmids and the clock genes which are highly mobile among the species.
