We appreciate your visit to Question 20 In labradoodles individuals that are homozygous for tex W tex have curly hair while those that are homozygous for tex w tex have. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Final Answer:
For Question 20, the parents' most likely genotypes are Ww and ww.
For Question 21, the term "true-breeding" describes an individual that is homozygous at all relevant genes.
Explanation:
Question 20 involves understanding the inheritance of coat types (curly or straight) in labradoodles. The information provided suggests that the "W" allele is responsible for curly hair (dominant), while the "w" allele is responsible for straight hair (recessive). Based on the given information that individuals homozygous for "W" have curly hair and those homozygous for "w" have straight hair, it's likely that one parent has the genotype Ww (curly hair) and the other parent has the genotype ww (straight hair). This would result in offspring with both curly and straight hair.
Question 21 asks about the term "true-breeding." True-breeding individuals are homozygous for a particular trait and, when crossed with themselves or similar true-breeding individuals, consistently produce offspring with the same trait. They are genetically stable across generations. In the context of genetics, the term "true-breeding" describes individuals that are homozygous at all relevant genes for a specific trait. This ensures that when they reproduce, their offspring will also exhibit the same trait, making them useful for studying genetic inheritance patterns.
In summary, the parents' most likely genotypes for Question 20 are Ww and ww, and the term "true-breeding" refers to individuals that are homozygous at all relevant genes for a specific trait.
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