In pea plants, tallness is dominant over shortness. If 50% of one generation of pea plants are short, what were the probable genotypes of the parents?

What is basic unit of the DNA molecule?

Based on the gene chromosome theory, the law of independent assortment assumes that certain genes are what?

A husband and wife are going to have a baby. The husband has type AB blood, and the wife has type O. Which could NOT be the blood type of their child?

Where does the hereditary information for most traits is generally located in?

The mechanism that accounts for the separation and recombination of the 'hereditary factors' proposed by Mendel is best described in what?

What will happen if a base sequence of a strand of DNA is changed from A-T-G to A-T-C

According to the gene-chromosome theory, which statement is true?

Phenlyketonuria (PKU), a human disease characterized by mental retardation,results from the

Only red tulips from a cross between homozygous red and homozygous white tulips. What type of principle best illustrates the given situation?

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