Q. Epistasis can produce a ratio of 12:3:1.

View solution

Q. In case of dominant epistasis which of the following will have the same expression, when A is the epistatic locus?

View solution

Q. Dominant epistasis ratio with A as epistatic gene 12:3:1 corresponds to ________________

View solution

Q. Which one of the following is not the case of epistasis?

View solution

Q. Which of the following is incorrect about the graying of coat colour of horse?

View solution

Q. In case of summer squash, the W locus shows dominant epistasis over the Y locus. W locus develop white colour while /- give yellow and y/y gives green. If you cross a yellow and a green summer squash you can’t get______________

View solution

Q. In case of summer squash which of the following is not right.

View solution

Q. Flower colour in sweet pea shows duplicate epistasis, if purple colour is dominant what is the F2 ratio?

View solution

Q. Which of the following condition in recessive duplicate epistasis will give the odd phenotype?

View solution

Q. If you cross two different strains of white flower you may get a purple flower in a sweet pea plant.

View solution

Q. Choose the off one out in case of duplicate recessive episasis.

View solution

Q. If you self cross purple flower in sweet pea, you will get__________

View solution

Q. Self crossing a white flower of sweet pea would give a ____________________

View solution

Q. In sweet pea a white substance is first converted to a ___________ substance by 1st gene and that to a ______________ substance by 2nd gene to give a purple flower.

View solution

Q. What is the phenotypic ratio in case of duplicate dominant epistasis?

View solution

Q. Shepherd’s purse has two shape heart and narrow. If you cross a true breeding heart to a true breeding narrow, F1 will give___________

View solution

Q. The 15/16 of the duplicate dominant epistasis doesn’t correspond to _____________

View solution

Q. You crossed two heart shaped Shepherd’s purse which is heterozygous at one locus and homozygous recessive at other gene locus, what would be the ratio of heart shaped and narrow in F1?

View solution

Q. Lethal alleles can only be recessive.

View solution

Q. In Aurea, a type of snapdragon, only ______________ carrying dominant genes live.

View solution