science

When Mendel crossed purebred short plants with purebred tall plants, _____.

all of the offspring were tall

half of the offspring were tall

one-fourth of the offspring were short***

all of the offspring were short

What does the notation TT mean to geneticists?

two dominant alleles

two recessive alleles***

heterozygous alleles

one dominant and one recessive allele

If one _____ is present, its traits will appear in the organism.

single allele

recessive allele

dominant allele

parental allele***

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