WAEC Biology Past Questions & Answers - Page 159

Sickle-cell anaemia has persisted in the human race due to

In Mendel's experiments, it was discovered that the skin of an African can be attributed to

In an experiment, a red-flowered plant was crossed with another red-flowered plant and the following results were obtained: 448 red flowers and 154 white flowers in the F₁ generation. Which of the following represents the genotypes of the parents if R is for red gene and r for white gene?

In an experiment, a red-flowered plant was crossed with another red-flowered plant and the following results were obtained: 448 red flowers and 154 white flowers in the F₁ generation.
Which of the following represents the phenotypic ratio of the above genetic cross?

The organic molecule(s) present in the nucleus is/are