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Chapter 9
PBSC GENES and INHERITANCE - Part 2 BSC1005 259323 CONCEPTS IN BIOLOGY
Question | Answer |
---|---|
Cross AaBb x AaBb; what ratio (?/16) will show BOTH dominant phenotypes? | 9/16 |
Cross AaBb x AaBb; what ratio (?/16) will show BOTH recessive phenotypes? | 1/16 |
Cross AAbb x AAbb; What % of the offspring will display both dominant phenotypes? | zero |
Cross AaBb x AaBb; what ratio (?/16) will show a combination of dominant AND recessive phenotypes? | 3/16 |
Cross AABB x aabb; what % of the offspring will show BOTH dominant phenotypes? | 100% |
Blood typing is an example of which genetic relationship between genotype and phenotype? | Multiple Allelism |
Cross AABB x AaBb; What % of the offspring will display both dominant phenotypes? | 100% |
Chickens which have both black and white feathers are an example of which genetic relationship between genotype and phenotype? | Codominance |
Sickle Cell Anemia is an example of which genetic relationship between genotype and phenotype? | Pleitotropy |
This law states that genes located on non-homologous chromosomes will randomly be inherited into gametes. | Law of Independent Assortment |
Cross AABB x aaBB; What % of the offspring will display both dominant phenotypes? | 100% |
Cross AABB x aabb; what % of the offspring will show both of the recessive phenotypes? | Zero |
Height and eye color in humans are an example of which genetic relationship between genotype and phenotype? | Polygenic traits (multigenic) |
Cross AABB x aaBB; What % of the offspring will display both recessive phenotypes? | zero |
Pink flowers (from parents that are white and red) are an example of which genetic relationship between genotype and phenotype? | Incomplete Dominance |