Which is the most common mechanism of genetic variation in the population of sexually reproducing organism?
Transduction
Chromosomal aberrations
Genetic drift
Genetic drift
D.
Genetic drift
Recombination is the most common mechanism of genetic variation in the population of a sexually reproducing organism. It involves the exchange of genetic material either between multiple chromosomes or between different regions of the same chromosome. This mechanism is generally mediated by homologous chromosomes, during meiosis, i.e, formation of gametes or germ cells.
In ginger vegetative propagation occurs through
rhizome
offsets
bulbils
bulbils
Which one of the following matches is correct?
Phytophthora | Aseptate mycelium | Basidiomycetes |
Alternaria | Sexual reproduction | Deuteromycetes |
Mucor | Reproduction by conjugation | Asocmycetes |
Mucor | Reproduction by conjugation | Asocmycetes |
What will you look for to identify the sex of the following?
male frog - a copulatory pad on the first digit of the hind limb
Female cock - anal cerci
Male shark - claspers borne on pelvic fins
Male shark - claspers borne on pelvic fins
Archegoniophore is present in
Chara
Adiantum
Funaria
Funaria