Answer :
Final answer:
In genetics, a true-breeding strain is a population of organisms that are option d homozygous for a specific trait, producing consistent offspring over generations. True-breeding strains are fundamental in genetic research and experimentation, like monohybrid crosses and test crosses.
Explanation:
A true-breeding strain refers to a group of organisms that, when bred, produce offspring with consistent, predictable traits over many generations. This consistency is due to the organisms being option d homozygous for the genes that govern the particular trait of interest. When you cross two homozygous individuals with the same alleles, their offspring will also be homozygous, ensuring that the true-breeding properties persist.
Geneticists find true-breeding strains invaluable for research as they can predict the outcomes of genetic crosses. These strains enable the study of inheritance patterns and contribute to our understanding of genetics. For instance, a classic monohybrid cross involves crossing two true-breeding parents with different alleles for a single trait, which results in offspring with the same genotype. Additionally, test crosses can be used to determine if an organism with a dominant trait is homozygous or heterozygous.
