Which of the following describes a gene?
A segment of DNA that codes for a specific trait
A chromosome
An allele
A protein
Related Questions
The totipotency of a cell refers to the
ability to differentiate into all cell types of an organism, including extraembryonic tissues.
ability to differentiate into only a few specific cell types.
ability to divide indefinitely but not differentiate.
ability to maintain a constant, undifferentiated state.
For production of haploids, we culture
Shoot tip
Anther
Root tip
None of these
The nucellar embryos were first produced by tissue culture technique in
Citrus mexima
Citrus reticulate
Citrus microcarpa
Citrus limon
Temperature required during autoclaving is?
Both in callus and suspension cultures commonly used auxin is
Napthalene acetic acid
Indole-3 butyric acid
2, 4, 5- trichlorophenoxy acetic acid
Dichlorophenoxy acetic acid (2, 4,-D)
Which of the following terms is used to describe the component isolated from a plant, for in vitro culturing in the specific medium?
Callus
Embryoid
Synthetic seeds
Explant
Culturing of isolated plant organ is called
Explant culture
Inplant culture
Organism culture
Organ culture
A callus is a:
Differentiated plant tissue
A type of plant disease
Undifferentiated mass of cells
A specialized plant organ
The enzyme used for isolation of single cell from explant/cell is
Pectinase
Catalase
Ligninase
Maltase
What is the primary purpose of using a laminar airflow hood in tissue culture?
To control temperature
To provide light for photosynthesis
To provide a sterile environment
To enhance gas exchange
