Biotechnology and its Applications — BIOLOGY STD 12 Science — Question

A cross was carried out between two pea plants showing the contrasting traits of height of the plant. The result of the cross showed 50% of parental characters. Name the type of cross.

List two factors that determine the vegetation and soil type of an ecosystem.

Write any two uses of pedigree analysis in Human Genetics.

How many ova will be produced by one fully grown primary oocyte?

Define biodiversity.

Name any two vertebrate's body parts that are homologous to human forelimbs (hands).

Which hormone induces the rupturing of graafian follicle during ovulation from female's ovary?

Name the thin clear coat surrounding mammalian egg.

A plasmid without a selectable marker was chosen as vector for cloning a gene. How does this affect the experiment?

The accessibility of promoter region of prokaryotic DNA is often regulated by the interaction of a protein with a certain sequence of DNA. What name is given to such a DNA sequence?