A bag contains 2 white and 3 black balls. A ball is drawn 5 times, each being replaced before another is drawn. Find the probability that exactly 4 of the balls drawn are white.

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#Question id: 5566

#SCPH06 I Botany

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?

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#Question id: 15278

#SCPH01 Biochemistry

A DNA sample having mass 1 ng undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required

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#Question id: 4319

#SCPH06 I Botany

Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?

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#Question id: 16022

#SCPH05 I Biotechnology

Which of the following is not the explantation technique?

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#Question id: 12916

#SCPH01 Biochemistry

Which statement is correct for Zoo blotting?