In the modern US political system the main system that political parties use to nominate candidates are primary elections, however, caucus' are also used in certain states. In a primary the vote is cast by a secret ballot in order to decide the candidate of the party. In a caucus members of the party meet in an open meeting and discuss who they will select to be the party candidate for that state.
Caste system
social institution
Answer:
When two heterozygous short-haired rabbits are crossed, the short hair being dominant and the long hair recessive, the phenotypes in the offspring will be 75% short hair and 25% long hair, with short hair: long hair ratio of 3:1.
Explanation: