A particular species of sea bird underwent a genetic mutation that resulted in big beaks. The larger size of beaks helped the bi
rd to break open clams and other mollusks for food. It also helped them defend themselves against predators. After many generations, almost all of the organisms in the population have big beaks. For which two reasons did this phenomenon occur?
The parent's genotypes are and respectively. When crossed together, all possible genotypes can be expressed. 1/4 AB blood, 1/4 A blood (heterozygous), 1/4 B blood (heterozygous) and 1/4 O blood. A Punnett square has been uploaded to support this.
and 
respectively. When crossed together, all possible genotypes can be expressed. 1/4 AB blood, 1/4 A blood (heterozygous), 1/4 B blood (heterozygous) and 1/4 O blood. A Punnett square has been uploaded to support this.
