The degree of genetic relatedness between the offspring and their parents is

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#Question id: 13108

#SCPH01 Biochemistry

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 

 Why is it that some people show three bands?

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#Question id: 6958

#SCPH01 Biochemistry

Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?

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#Question id: 11130

#I Life Science/ Life Sciences Group – I-V

Which of the following electrical events is characteristic of inhibitory synaptic interactions?

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#Question id: 4306

#SCPH05 I Biotechnology

Which of the following molecules helps to "turn off" genes in a cell?

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#Question id: 3276

#SCPH06 I Botany

Which of these conditions are always true of populations evolving due to natural selection?

Condition 1: The population must vary in traits that are heritable.

Condition 2: Some heritable traits must increase reproductive success.

Condition 3: Individuals pass on most traits that they acquire during their lifetime.