Q. A person homozygous for lethal allele______________

View solution

Q. Tay Sach’s disease doesn’t agree with which of the following?

View solution

Q. The lethal mutation that is seen in the yellow mice is due to _______________ mutation.

View solution

Q. Which of the following is not true for yellow mice?

View solution

Q. Cross of two yellow mice will give _____________ normal mouse.

View solution

Q. The ______________ mouse is lethal.

View solution

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

View solution

Q. Lethal alleles can only be recessive.

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

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

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

View solution

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

View solution

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

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

View solution

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

View solution

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

View solution