How are the seven traits selected by Mendel distributed across the four chromosomes?

• A
  $1$ on chromosome $1$, $4$ on chromosome $4$, $1$ on chromosome $5$, and $1$ on chromosome $7$.
• B
  $2$ on chromosome $1$, $3$ on chromosome $4$, $1$ on chromosome $5$, and $1$ on chromosome $6$.
• C
  $3$ on chromosome $1$, $1$ on chromosome $4$, $2$ on chromosome $5$, and $1$ on chromosome $7$.
• D
  $2$ on chromosome $1$, $3$ on chromosome $4$, $1$ on chromosome $5$, and $1$ on chromosome $7$.