A plant has two varieties, one with red petals and the other with white petals. When these two varieties are cross-pollinated, all the offsprings have red petals ?

(a) Which gene is dominant ?

(b) Choose suitable letters to represent the two genes.

Q. A $15:1F_2$ ratio of a cross between a wheat variety with red kernels (homozygous for two dominant genes) and another with white kernels shows

Q. When a wheat variety of red kernels (homozygous for two nonallelic and independent dominant genes) is crossed with white kernelled wheat (homozygous for two recessive nonallelic independent genes), the phenotypic ratio in $F_2$ generation would be

Q.

In a plant, red colour of the fruit is dominant over yellow colour. When these two pure bred varieties are crossed, the $F_2$ progeny have

Q. A plant has a butterfly shaped flower with one standard, two wing like and two keel petals. The plant belongs to the Family

Q.

In a plant, red colour of the fruit is dominant over yellow colour. When these two pure bred varieties are crossed, the $F_2$ progeny have