Q. The monohybrid phenotypic and genotypic ratio is same in the case of ________________

View solution

Q. If a true breeding tall pea plant is crossed with a true breeding short pea plant, what will be the phenotype of the F1 generation?

View solution

Q. If an H is for tall trait which is dominant and h is the recessive trait for short, which of the following cross will result in 1:1 tall: short progeny?

View solution

Q. The cross between a black and white fowl will give _______

View solution

Q. Which of the following is a test cross?

View solution

Q. The back cross can distinguish heterozygotes from homozygotes as they give _________ phenotypic ratio respectively.

View solution

Q. The F1 generation is determined by crossing P/P with p/p. Then the progeny obtained from them were intercrossed. What will be the ratio of pure breeding flowers to not pure breeding flowers in F2?

View solution

Q. In a cross between wild type pure breeding recessive and heterozygous dominant trait, if 4 progeny are found to be expressing the dominant phenotype, what will be the expected number of recessive?

View solution

Q. Crossing 2 Andulasian fowls you get 10 white fowl. What will be the expected number of Andulasian fowls as progeny?

View solution

Q. The expected phenotypic ratio obtained by crossing the F1 generation in dihybrid cross would be?

View solution

Q. Which of the following will be pure breeding for only one character?

View solution

Q. If you cross homozygous recessive short plant with heterozygous purple flower to heterozygous tall plant with heterozygous purple flower, what will be the expected phenotypic ratio?

View solution

Q. Considering a dihybrid cross, what is the probability of the progeny being heterozygous at both the alleles?

View solution

Q. If you have an organism with the genotype Pp HH rr Ww this can be used as a parent in test cross for________

View solution

Q. If you include more number of genes in the cross, a branched diagram will be easier to find progeny phenotype.

View solution

Q. In an organism you observe that phenotypes of the progeny are as – 315 H/H R/R, 108 H/-r/r, 101 h/h R/-, 32 h/h r/r. This shows_____

View solution

Q. By crossing homozygous short purple flowering parent with a heterozygous tall purple flowering parent you get 41 tall progeny. What will be the expected number of short progenies?

View solution

Q. What will be the dyhybrid ratio for a cross between HH TT with hh tt?

View solution

Q. In an experiment with drosophila eye colour purple/red and wing shape normal/vestigial you observe that offspring mainly have either purple vestigial trait or red normal trait. What is the expected parental trait?

View solution

Q. What is the probability that Aa BB Cc will form from the cross between Aa Bb Cc X Aa Bb Cc?

View solution