$A$ cross between two homozygous parents that differ in only one gene locus is known as a....

When experimenting with the factor of tallness in $Pisum$ $sativum$,Mendel obtained the results $73.97\%$ tall and $26.03\%$ dwarf from one of the crosses. This shows that the parents are:

$A$ true-breeding plant producing red flowers is crossed with a pure-breeding plant producing white flowers. The allele for the red color of the flower is dominant. After selfing the plants of the first filial $(F_1)$ generation, the proportion of plants producing red and white flowers in the progeny would be:

In a cross between $AaBB$ and $aaBB$,what will be the ratio of the genotypes $AaBB$ and $aaBB$ in the progeny?

From a cross $Aa BB \times aa BB$,what genotypic ratio will be obtained in the $F_1$ generation?

In a dihybrid cross between a true-breeding round yellow-seeded and a true-breeding wrinkled green-seeded pea plant,the ratio of segregation of round and wrinkled seed traits in $F_2$ is: