Practice Questions

TLS Online TPP Program

#Question id: 5841

How are the BRCA proteins and their genes implicated in breast cancer?

#Unit 8. Inheritance Biology

The BRCA proteins damage DNA by generating double-stranded breaks which can lead to cancer.
Cells become more susceptible to damage if the genes for these proteins are damaged.
BRCA proteins inhibit excision repair mechanisms.
BRCA proteins initiate recombination between non-homologous DNA sequences.

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TLS Online TPP Program

#Question id: 5459

#Unit 8. Inheritance Biology

Who explained the multifactorial hypothesis?

TLS Online TPP Program

#Question id: 5458

#Unit 8. Inheritance Biology

Which of the following factor does not contribute to quantitative traits?

TLS Online TPP Program

#Question id: 5457

#Unit 8. Inheritance Biology

If the environmental variance (VE) increases and all other variance components remain the same, what will the effect be?

TLS Online TPP Program

#Question id: 5456

#Unit 8. Inheritance Biology

Traits which exhibit continuous phenotypic variation are typically determined by this inheritance form _______.

TLS Online TPP Program

#Question id: 5455

#Unit 8. Inheritance Biology

Inheritance of skin colour in humans is an example on

TLS Online TPP Program

#Question id: 5454

#Unit 8. Inheritance Biology

Which of the following is not an example of quantitative trait?