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Grade 9 Science Q2: Living Things & Environment Practice Questions — Set 5

What is a heterozygous organism?

If both parents are heterozygous (Tt), what percentage of offspring will be homozygous recessive (tt)?

What are alleles?

Which scientist is known as the father of genetics?

What is incomplete dominance?

What is codominance?

What is the shape of a DNA molecule?

What are the four nitrogen bases in DNA?

What is the complementary base pair for Adenine in DNA?

What is DNA replication?