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We get exposure to radiations all the time, UVB radiations, which are dangerous than UVA, damage the DNA by forming thymine dimers. However, our cells have the two types of DNA repair system in place called as __________________ and ________________.

____________ are the chemicals or radiations that delete, substitute or add bases. An organism maybe exposed to them intentionally, accidentally or naturally.

A species of mice can have gray or black fur and long or short tails. If gray is recessive and long is dominant, using the gene symbols G for black, g for gray, S for long and s for short, what would be the genotype of a black-furred, short-tailed mouse?  

If a couple have 10 boys, then the probability that they will get a girl as their 11th child is 50%.

The field of genetics that studies the relationship between chromosome variations and specific traits is called Mendelian genetics.

Thymine binds with _____________.

What is a specific segment of DNA that directs protein synthesis?  

Bonus: The offspring of two purebred parent plants are called_____________________.

Determine when will a male exhibit an X-linked recessive trait and when will a female exhibit the X-linked dominant trait. Also, make sure to explain what is meant by X-linked recessive and the dominant traits.

Two true breeding parents are crossed similar to Mendel’s P generation. A tall plant is crossed with a short plant. What is the expected outcome for the F1 generation?