The cause of similarities between individuals of a species is
Heredity
Variation
Genetics
Mutation
The gene which cannot express itself in the presence of the dominant gene is the __________
_______________ are the carriers of hereditary units, the genes.
DNA
chromosomes
nucleus
none of these
Who coined the term 'Genetics'?
W. Bateson
Karona
Gregor Mendel
None of these
Inheritance of defective tooth enamel is an example of ________________.
X-linked recessive inheritance
Y-linked inheritance
X-linked dominant inheritance
_____________ involves the transmission of genetic material from one generation to another.
Nutrition
Reproduction
Respiration
The last or 23rd pair of chromosomes is known as ________________.
autosomes
sex chromosomes
Y chromosomes
