In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in $F_1$ generation?

Assertion : Cross of $F_1$ individual with recessive homozygous parent is test cross.

Reason : No recessive individual are obtained in the monohybrid test cross.

First generation after a cross is

When two individuals are similar in external appearance but differ in their genetic make up, they are called as

Which of the following statements are false?

$I.$ A Dominant allele determines the phenotype when paired with a recessive allele

$II.$ A recessive allele is weaker than a dominant allele

$III.$ A recessive allele do not shows its effects when paired with a dominant allele

$IV.$ A dominant allele is always better for an organism