State whether the following statement is true or false.

Genes are specific sequences of bases on a chromosome.

Q.

Question 21
Select the statements that describe characteristics of genes.

(i) Genes are the specific sequence of bases in a DNA molecule.
(ii) A gene does not code for proteins.
(iii) In individuals of a given species, a specific gene is located on a particular chromosome.
(iv) Each chromosome has only one gene.

(a) (i) and (ii)
(b) (i) and (iii)
(c) (i) and (iv)
(d) (ii) and (iv)

Q. State whether the following statements are true or false .
A metabolic pathway is a sequence of chemical reactions in which each step is controlled by its own specific enzymes.

Q. Select the statements that are true for genes.

i. Genes are specific sequences of nucleotides in a DNA molecule.
ii. A gene does not store information for protein synthesis.
iii. In individuals of a given species, a specific gene is located on a particular chromosome.
iv. Each chromosome has only one gene.
v. Genome identification is the basis of DNA fingerprinting.

Q.

State whether the statements are true or false.​
The ovum contains XX chromosomes.​

Q. State whether the following statements are true or false:​

Each normal cell in our body contains 23 chromosomes.​