Gentics and Evoloution MCQ question and answer with solution | Biology Gk MCQs

Geologists standardly use which of the following to estimate the time of solidification of rock?

According to Stebbins (1950), the isolation mechanisms that come under the category of internal barriers include

Frameshift mutation arises due to

If the segment of a chromosome is repeated on a non-homologous chromosome, the duplication is said to be a

Who coined the term 'gene'?

The substances used by the proliferating infecting Agrobacteria cells as sources of carbon and nitrogen are called

Consider the following statements regarding translocation and choose the correct answer:
1. In translocation, a segment of a chromosome becomes attached to a non-homologous chromosome
2. In reciprocal translocations, two non-homologous chromosomes exchange segments
3.There is no addition or loss of genes during translocations, only a rearrangement
4. Translocations are due to irregularities during crossing over

Anthropoids were evolved into

Strength of the linkage between the two genes is

Presence of gill in the tadpole of frog indicates that