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Which cross shows both parents having two different alleles for each of two different genes?
1) AaBb x AaBb
2)AAbb x aaBB
3)aabb x AABB
4) AaBB x AABb

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ShyzaSling

Answer:

The correct option is Number 1. AaBb x AaBb

Explanation:

Genes can be described as basic hereditary units. The genes are made up of DNA.

A gene carries two alleles for a particular trait. These alleles are present at the same loci in the homologous chromosomes. If the two alleles are similar then they are termed as homozygous e.g AA, BB. If the alleles for a trait are different then they are termed as heterozygous e.g Aa and Bb.