Which process can best be explained by alleles?
A) The fact that phenotypes produce genotypes
B) The formation of identical twins through the splitting of a fertilised egg
C) The instructions for hair colour come from two sources on the chromosome
D) The teratogenic effects associated with foetal alcohol spectrum disorder (FASD)
Correct Answer:
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Q11: The functional units of heredity are
A)genes.
B)neurotransmitters produced
Q12: Genotype is to phenotype as
A)homozygous is to
Q16: The first _ pairs of chromosomes are
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