The Mini Answers NYT - March 31, 2022

across

• Period of history Crossword Clue

  Reveal Answer

  ERA

• "Old MacDonald" refrain Crossword Clue

  Reveal Answer

  EIEIO

• Plant on which Gregor Mendel carried out his genetics experiments Crossword Clue

  Reveal Answer

  PEA

• With 7-Across, best hand in poker Crossword Clue

  Reveal Answer

  ROYAL

• See 4-Across Crossword Clue

  Reveal Answer

  FLUSH