Question

When a 9:3:3:1 ratio of phenotypes is produced by a cross between two individuals, which phenotypes are present in the rarest class that is represented by only 1 of the 16 possible genotypes of offspring

Answer 1

The answer is Both features have a recessive phenotype in these offspring.

An individual's phenotype is defined by their genotype and expressed genes, as well as apparent traits such as hair colour or type, eye colour, body shape, and height. It is determined by the genotype, but it is also modified by environmental circumstances.

What is genotype?

• The genotype of a person can reveal their genetic makeup.

• It determines which qualities will be expressed.

• Organisms with similar appearances do not share the same genotype.

• Biological tests can be used to determine a person's genotype.

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