Science Questions

What are the alternative forms of a gene located at the same position on homologous chromosomes?

If both alleles for a trait are identical (e.g., TT or tt), the organism is said to be:

Which of the following is a dominant trait in Mendel's pea plant?

What is the total number of chromosomes in a normal human body cell?

Which pair of chromosomes determines the sex of a human male?

The process by which traits are passed from parents to offspring is known as:

Which law states that in a hybrid, only one character is expressed while the other remains hidden?

A sudden and permanent change in the DNA sequence of a gene is called:

Which nitrogenous base is present in DNA but absent in RNA?

How many autosomes are found in a human sperm cell?

What is the genotypic ratio of a monohybrid cross in the F2 generation?

Which of the following is a primary source of genetic variation?

Chromosomes are mainly composed of which two components?

What does the term 'Hybrid' mean in genetics?

The study of heredity and variations is called:

In a Punnett square, the horizontal and vertical labels represent:

Which of the following is a recessive trait in humans?

DNA stands for:

Who proposed the double helix model of DNA?

What is the basic unit of DNA?