218k views
4 votes
Can the same locus code be used for two different gene products?

1) Yes
2) No
3) Not enough information to determine

User Miraage
by
7.7k points

1 Answer

4 votes

Final answer:

A single locus code usually represents one gene, which can lead to various gene products. It is uncommon for completely different genes to have identical locus codes. Understanding locus codes and gene products is important in genetics for research and commercial applications.

Step-by-step explanation:

To address the question regarding the use of locus codes for different gene products, it is important to understand what a locus code is. A locus code typically refers to the specific location on a chromosome where a particular gene is found. Generally, a single locus code represents a single gene, which can produce different variants of gene products through processes like alternative splicing or post-translational modifications. However, it is uncommon for completely different genes to share the same locus code.

In terms of practical application, knowing the locus code is important for geneticists when they are looking at a genotype as it helps to identify the genetic configuration of an organism. Additionally, understanding gene products is vital for research and commercial purposes, as indicated in given point (c). For example, regulatory genes play a role in determining the differences between organisms, and hox genes are critical in the developmental phase of many organisms.

Regarding the predictions of recombinant offspring's frequency as stated in point (b), this value can be influenced by the distance between genes on a chromosome. If genes are very far apart, they are more likely to undergo recombination, which can indeed result in a frequency of recombinants as high as 60%.

In summary, while there can be different gene products from the same genetic location, they typically derive from one gene with varying expressions rather than representing two completely distinct genes sharing the same locus code. This is a fundamental concept in the analysis of DNA and the study of genetics, as it allows for the exploration of phenotypes and the construction of genetic linkage maps.

User Qupera
by
7.4k points