What is a gene?(1 point)
a section of DNA that encodes a specific protein
a point that joins two halves of a chromosome
a large molecule that performs a specific function
a structure that contains many chromosomes
Which structure carries genetic information?(1 point)
protein
nucleus
chromosome
centromere
Which option contains all of the other options listed?(1 point)
chromatid
gene
chromosome
centromere
If the proteins making up a gene were changed or mutated, what impact would this likely have on an organism?(1 point)
A trait of the organism may be changed only in a negative way.
There would be no change as the proteins do not impact traits.
A trait of the organism may be changed in either a negative, positive, or neutral way.
A trait of the organism may be changed only in a positive way.
Q: What is a gene?
A: Oh, genes! They're like the little packets of information that DNA uses to store its secrets. They're sections of DNA that encode specific proteins, like a recipe for making a particular protein dish.
Q: Which structure carries genetic information?
A: The superstar of genetic information is the chromosome. It's like the DNA suitcase that holds all the important genetic stuff. The nucleus houses these chromosomes, so you could say it's the chromosome's cozy little home.
Q: Which option contains all of the other options listed?
A: You're looking for the chromosome, my friend. It's the big mover and shaker that contains all the genetic information. It's like the VIP section where genes, chromatids, and centromeres hang out.
Q: If the proteins making up a gene were changed or mutated, what impact would this likely have on an organism?
A: Ah, mutations! Those sneaky little changes that can have all sorts of effects. If the proteins in a gene were mutated, it could impact an organism's traits in a variety of ways, not just negative! It could be positive, negative, or even neutral. So, it's like a genetic roulette game, really.
a trait of the organism may be changed in either a negative, positive, or neutral way.
The correct answer to the question "What is a gene?" is:
- A section of DNA that encodes a specific protein.
To arrive at this answer, one can eliminate the other options by understanding the definition of a gene. A gene is a specific sequence of DNA that contains the instructions for building a protein. This eliminates the options "a point that joins two halves of a chromosome," "a large molecule that performs a specific function," and "a structure that contains many chromosomes" as they do not accurately describe a gene.
The correct answer to the question "Which structure carries genetic information?" is:
- Chromosome.
To arrive at this answer, one can eliminate the other options by understanding that chromosomes are structures in the nucleus of a cell that carry genetic information in the form of genes. Proteins are not directly involved in carrying genetic information, and centromeres are specific regions within a chromosome, not the entire structure.
The correct answer to the question "Which option contains all of the other options listed?" is:
- Chromosome.
To arrive at this answer, one can compare the options and identify that a chromosome contains genes, chromatids, and centromeres. Therefore, the option "chromosome" includes all of the other options.
The correct answer to the question "If the proteins making up a gene were changed or mutated, what impact would this likely have on an organism?" is:
- A trait of the organism may be changed in either a negative, positive, or neutral way.
To arrive at this answer, it is important to understand that genes code for proteins, which play a crucial role in determining an organism's traits. Mutations or changes in the proteins encoded by a gene can lead to alterations in the protein's structure or function, which can in turn impact the organism's traits. These changes can be negative, positive, or neutral, depending on the specific mutation and its effect on the protein's function.