Biology Practice: Genetics (Mock Test 1 - Basic Definitions & Terms)
1. The branch of biology that deals with the study of heredity and variations is called:
2. Who is known as the "Father of Genetics"?
3. The alternative forms of a gene occupying the same locus on homologous chromosomes are called:
4. The observable physical or physiological characteristic of an organism is its:
5. Which of the following represents a "Homozygous Dominant" condition?
6. A sudden heritable change in the DNA sequence of an organism is termed:
7. The genetic constitution of an organism (e.g., $TT$, $Tt$ or $tt$) is known as its:
8. Mendel used which plant for his famous experiments on heredity?
9. Chromosomes that are similar in shape and size and carry genes for the same traits are:
10. How many pairs of autosomes are found in a normal human somatic cell?
11. A cross between two individuals involving only one pair of contrasting traits is a:
12. The specific position of a gene on a chromosome is called its:
13. In a heterozygous condition, the allele that expresses itself is called:
14. Sex chromosomes are also technically known as:
15. A "Dihybrid" individual would have which of the following genotypes?
16. The transmission of characters from parents to offspring is called:
17. Which of the following is an example of a "Sex-linked" inheritance in humans?
18. Small differences between individuals of the same species are called:
19. In human males, the sex chromosomes are:
20. Mendel's "Factors" are today known as: