Question
In a specific flowering plant, the pink flower color is
not due to a Mendelian single-gene interaction but rather appears to be due to multiple genes acting together. What term best describes this type of inheritance?Solution
Polygenic inheritance refers to the type of inheritance in which a trait is governed by two or more genes that may be on the same or on different chromosomes, often resulting in a continuous range of phenotypes, such as pink flowers varying in intensity.
Fact constellation schema is best described as:
In a star schema, what is the primary characteristic of the fact table?
What is meant by 'cardinality' in data modeling?
Which of the following best describes the primary function of a database index?
What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
Which process ensures data in a data warehouse is consistent and clean?
Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
Which of the following is NOT a common OLAP operation?
Which schema in data warehousing uses a central fact table connected to dimension tables?
Which SQL clause is used to filter records after aggregation?