The F2 progeny from a particular cross exhibit a modified dihybrid ratio of 9 : 7 (instead of 9 : 3 : 3 : 1). What phenotypic ratio would be expected from a testcross of the F1?

TLS Online TPP Program

#Question id: 2952

#Unit 2. Cellular Organization

Throughout interphase,.. .........  are synthesized at a relatively constant rate, whereas  ............ are synthesized only during the S phase.

TLS Online TPP Program

#Question id: 8910

#Unit 9. Diversity of Life Forms

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that only animals derive their nutrition

TLS Online TPP Program

#Question id: 23915

#General Aptitude

According to the Botanical Survey of India, the total number of plant species in India is about:

TLS Online TPP Program

#Question id: 11301

#Unit 10. Ecological Principles

How is phosphorus returned to the soil from organic phosphorus?

TLS Online TPP Program

#Question id: 17666

#Unit 11. Evolution and Behavior

 In the Mesozoic era, periods included;

A. Cretaceous

B. Jurassic

C. Triassic

i) Increase of dicotyledons

ii) Seeds ferns disappear

iii) Rapid development of angiosperms

iv) Spread of cycads and conifers

v) Gymnosperms declined

Find out the correct match of given period with their plants diversification events;