Genetics and Inheritance

At the molecular level point mutations are due to _____

A homozygous line developed by self fertilization in a cross pollinated crop is termed as _____

Consider the following fruits:

1. Mandarin
2. Peach
3. Mango
4. Banana

The correct sequence in relation to the cold tolerance (low to high) of these fruits is

Cytoplasmic sterility is governed by which of the following genes ?

The change in chromosome number which involves entire set of genome is known as _____

There are four stages of development of Genetics up to 20th century, the correct order of their occurrence is _____

The following part of the chromosome is responsible for the movement of chromosome/chromatid to different poles:

A population at equilibrium developed from inter-mating a number of inbred lines is called a _____

Chromosome shape is usually observed during which of the following pahse ?

Consider the following statements:

$1.$ The sequence of nucleotides recognised by a restriction endonuclease is present in only one strand of DNA, running in $\text{'}3\text{'}-\text{'}5\text{'}$direction.
$2.$ At present, more than a hundred restriction endonucleases have been discovered.
$3.$ Reverse transcriptase synthesises DNA using RNA as a template.

Which of the statements given above are correct.

Maximum number of treatment accommodates in RBD without loss of efficiency is

Segregation of gene occurs in:

The hybrid of which one of the following crops was evolved by India using modern DNA techniques and released in February 2005?

When homologous chromosomes fail to pair in Prophase I of meiosis, the phenomenon is known as _____

A method of breeding most commonly used when the desired variation is required to be induced in a vegetatively propagated crop is _____

Transgenic crop having maximum cultivated area in the world is

Which one of the following sequences was proposed by Darwin & Wallace for organic evolution?

The recessive genes present on the X-chromosome in humans are always _____

With reference to mutagenic agents, consider the following statements:

1. Acridine dyes cause frame shift mutations.
2. Ultraviolet light causes point mutation.
3. Five bromouracil causes transition mutation.

which of the statements given above are correct?

A Mendelian population means _____