---

1. In snails, individuals can change _______.
2. A section of DNA that provides information for one protein synthesis is called ________ for that protein.
3. Mendel proposed the law of ________.
4. The ________ chromosomes are responsible for the male child.

(1). Sex, (2). Gene, (3). Inheritance, (4). Y

---

1. Between the red and white colours of flowers the white colour is dominant character and red colour is recessive character.
2. Round and wrinkled character of seeds the round is dominant character and wrinkled is recessive character.
3. The characters which are not transmitted from one generation to another generation are called hereditary characters.
4. Johann Mendel proposed the rules of development of flowers.

(1). False, (2). True, (3). False, (4). False

---

1. What will be the 23rd chromosome pair for a female human baby?
2. On crossing tall plants with dwarf plants what percentage of dwarf plants in F2 generation was found by mendel.
3. What is the information source in a cell?
4. Write the name of father of genetics. Or Who worked out the main rule of such inheritance.

(1). XX, (2). 25% dwarf plants, (3). Cellular DNA, (4). Gregor Johann Mendel

---

Section A	Section B
1). Father of genetics	a). Sex determination/XY
2). Carriers of heredity characters	b). Laws of genetics
3). Pair of Sex chromosomes	c). Gregor Johann Mendel
4). Genetic material	d). Genes
5). Mendel	e). Young DNA

(1). > (c), (2). > (d), (3). > (a), (4). > (e), (5). > (b)