What does it mean if there are two different alleles for a trait? a. that trait is the same for everyone b. the trait could show up in two different forms c. there are a total of two possible genotypes for that trait d. the trait is always homozygous

The correct answer would be B. The trait could show up in two different forms.

Alleles refer to the alternative forms of the gene. Different alleles of a gene code for different traits in an organism.

For example, T codes for tallness and t codes for a dwarf. Similarly, R codes for round seed shape and r codes for wrinkled seed shape et cetera.

Based on the expression levels, the alleles can be of two types recessive and dominant.

The allele which expresses itself in a heterozygous condition is said to be a dominant allele and the allele which is masked in heterozygous condition is said to be a recessive allele.

≅200-130 milions years ago pangea splited in 2 continents

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