Which of the following is not a reason why an offspring looks different from its parents?
Random reorganisation of chromosome during gamete formation
Existence of multiple alleles in organisms
Formation of chasmata in chromatids during meiosis
Mutation which gives rise to new combination of gene
Mitosis of the zygote produces new combination of chromosomes
Correct answer is D
No explanation has been provided for this answer.
Which of the following is a definition of heredity? It
involves closely related organisms not resembling
is the total absence of parental traits in offspring
involves an absence of variation in organisms
is the transfer of characteristics from parents to offspring
cause of infant mortality
Correct answer is D
No explanation has been provided for this answer.
The statement that the environment determines which organisms survive to reproduce
explains the theory of acquired characters
supports Jean Lamarck’s theory of use and disuse
supports the idea of survival of the fittest
is refuted by fossil records
implies that organisms modify their environment in order to survive
Correct answer is C
No explanation has been provided for this answer.
An individual with blood group AB can receive blood from those in blood group(s)
AB only
A and B only
B only
AB and O only
A, B, AB, and O
Correct answer is E
No explanation has been provided for this answer.
Hereditary variation is best described as
characters transmitted from generation to generation
traits acquired from diseases
characters that show up due to social conditions
traits acquired from habits and environmental conditions
characters that result from physical injuries
Correct answer is A
No explanation has been provided for this answer.