Genes controls……..of an organism.
a) traits
b) sugars
c) habits
d) none of these
Which of the following characteristics/traits are controlled by genes?
a) height and weight
b) intelligence and skin color
c) blood group and earlobes
d) all of these
Which of the following carries genes to the next generation?
a) proteins
b) sugars
c) vitamins
d) chromosomes
When chromosomes carry genes to the next generation?
a) when cell matures
b) when cell divides
c) when cell dies
d) all of these
Chemical Composition of DNA:
DNA is made of two linked strands that wind around each other to resemble a twisted ladder a shape known as a double helix. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each sugar is one of four bases: adenine (A), cytosine (C), guanine (G) or thymine (T).
Which of the following is hereditary material?
a) RNA
b) DNA
c) protein
d) sugar
