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Found Genetics 30 times.

Displaying results 1 to 10.

1. Bacterial transformation
A genetics lab procedure where bacteria are induced to accept and incorporate into their genome foreign pieces of cell -less, isolated DNA , often in the form of a plasmid . The DNA to be introduced usually contains a selectable marker so that the bacteria which successfully incorporate the DNA can be selected for.

2. Biogenetics
A form of genetic engineering; the science of adding or altering the genetic code of an organism to achieve particular traits. This technique is becoming more and more important in agriculture as researchers seek to make crops that are resistant to pests.

3. Biometrical genetics
The mathematical approach to the study of the inheritance of different phenotype s, or physical characteristics, as a result of plant or animal breeding.

4. Brassica (Brassicaceae, Cruciferae)
A genus of plants belonging to the mustard family Brassicaceae. The whole family includes a total of 376 different genera and 3,200 different species . The family is also known as "Cruciferae" because the four petaled flowers of these plants look like crosses. The plants are distributed worldwide and have annual (living one year), biennial (living two years) and perennial (living many years) members. Member species of genus Brassica include Brassica napus which produces rapeseed or canola oil; Brassica nigra which produces yellow mustard; Brassica oleracea whose subspecies and strains include kale and collard greens (B. oleracea acephala), broccoli (B. oleracea botrytis), cauliflower (B. oleracea cauliflora), head cabbage (B. oleracea capitata), brussel sprouts (B. oleracea gemmifera), and kohlrabi (B. oleracea gongycoides); and Brassica rapa, whose subspecies include pak choi (B. rapa chinensis), Chinese cabbage (B. rapa pekinensis), and turnip (B. rapa rapifera). Also, one subspecies of B. rapa is used as a model organism to study genetics , molecular biology , plant breeding, cell biology , and physiology ; it is called the "rapid cycling" Brassica or RCBr or the Wisconsin Fast PlantTM , and was developed specifically for scientific study. Additionally, the radish Raphanus sativus is a member of the Brassicaceae family. The full taxonom ic classification is kingdom Plantae, division Tracheophyta, subdivision Spermatophyta, class Angiospermae, subclass Dicotyledeonae, order Papaverales, family Brassicaceae.

5. C600
A strain of the bacteria Escherichia coli which is used in genetics experiments as a host for foreign plasmid s that have been clone d.

6. Chlamydomonas
A genus of green algae consisting of more than 600 species worldwide, living in marine, freshwater, soil, and even snow environments. They are single cell ed eukaryotic organisms ranging from 5 to 100 micrometers long which can be roughly spherical, egg shaped, or elliptical. Most species have two flagella (coming out the same side) for swimming. Most of the time they are haploid and reproduce by dividing into two ( binary fission ); when they are stressed they can form gamete s which fuse to form diploid cyst s which later divide into four haploid cells. Taxonomically they have been classified under plants, animals, and protist s. Several species from this genus are important model organisms for the study of cell biology , molecular biology , genetics , plant physiology , and biotechnology . The species most commonly used in scientific experiments is Chlamydomonas reinhardtii (also known as C. reinhardi or C. reinhardii).

7. Cis configuration
* The configuration of an organic molecule containing a double bond between two carbon atoms, where the largest, most complex R group s are on the same side: -OR- The configuration of an organic molecule containing a ring, where the largest, most complex R groups are on the same side: These configurations are the opposite of trans configuration . * A genetics term meaning an event or a gene whose action occurs on the same chromosome . * Two mutation s in different genes coding for the same phenotype which are on the same chromosome (as opposed to the trans configuration where each homologue has one of the mutations).

8. Colony hybridization
A genetics lab technique used to identify which colonies of bacteria on an agar plate contain a particular sequence of DNA or a particular gene . The technique involves pressing a nylon or nitrocellulose membrane onto the plate so that each colony contributes a small smudge of itself to the membrane, then treating the membrane with chemicals and heat, then washing the membrane with a labeled probe to find the specific DNA sequence. The smudges which are indicated by the probe are then compared back to the colonies on the agar plate. This technique is often used in conjunction with experiments involving the making of genomic libraries.

9. Complementation
* The ability of two unrelated single strands of DNA or RNA to pair with each other and become double stranded, due to the coincidental matching of an adequate number of nucleotide base pair s between the single strands. * In terms of genetics , the ability of one mutation to compensate for another, unrelated mutation. See also genetic complementation and cis-trans test .

10. Composite transposon
A segment of DNA which contains the insertion element s at either end but can contain just about anything in the middle ( gene s, marker s, etc.). These types of transposon s tend to be very large, and many of them came about when the inner two insertion elements of two smaller transposons stopped working and only the two at the far ends continue to work, so that when the transposon moves, it takes everything in between the two original transposons with it. Some composite transposons are used in genetics experiments; Tn5 and Tn10 are two such composite transposons which have genes that encode resistance to certain antibiotic s.

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