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TLS Online TPP Program
#Question id: 15834
#Unit 8. Inheritance Biology
You are interested in a new type of autosomal dominant mutation that gives purple eyes in Drosophila. You have a true-breeding purple-eyed line carrying a mutation that you call pr-1. You have isolated a second purple-eyed mutation that you call pr-2, which you have established in a true-breeding line that also carries a recessive marker st, which gives stubby legs. You cross a fly from the pr-1 line to a fly from the st, pr-2 line producing F1 females which you then cross to males from a true breeding st line (normal eyes). From this cross, 1000 progeny flies can be categorized into four different phenotypic classes:
Normally, 3-factor crosses give eight different phenotypic classes, why does this particular cross give only four?
TLS Online TPP Program
#Question id: 3552
#Unit 8. Inheritance Biology
In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Which of the following genotype would produce 25 % color seeded plant, When cross with Aaccrr?
TLS Online TPP Program
#Question id: 10710
#Unit 10. Ecological Principles
Researcher study the diversity of 3 communities, 4 species was recorded from all community. Presence (+) and absence (-) of species are given
What is similarity coefficient between A & B, B & C, and A & C RESPECTIVELY?
TLS Online TPP Program
#Question id: 19073
#Unit 6. System Physiology – Plant
Bacteria releases toxin or effectors, which triggered immune response in the host plant, known as__
TLS Online TPP Program
#Question id: 27036
#Unit 10. Ecological Principles
Mafia hypothesis based on
a) Taking food by theft
b) destroying all eggs of their host’s nests
c) Changing color of host making more susceptible to being eaten