AP BIOLOGY

LABORATORY REVIEW

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Genes may exist in several alternate forms called
A
Alleles
B
Clones
C
Purines
D
Pyrimidines
Explanation: 

Detailed explanation-1: -Alternative forms of genes are called Alleles. Alleles are a pair of genes that occupy a specific location on a particular chromosome and control the traits. Alleles may appear as a pair or in multiple form allele which represents a particular trait in the progeny.

Detailed explanation-2: -"Allele” is the word that we use to describe the alternative form or versions of a gene. People inherit one allele for each autosomal gene from each parent, and we tend to lump the alleles into categories. Typically, we call them either normal or wild-type alleles, or abnormal, or mutant alleles.

Detailed explanation-3: -Complete answer: Alleles are the alternative forms of a gene for producing different effects. The homologous individual contains two alleles which are the same for that gene. Heterozygous individuals contain the elements which are different for that gene.

Detailed explanation-4: -Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles for a gene in a diploid organism. When there is a gene existing in more than two allelic forms, this condition is referred to as multiple allelism.

Detailed explanation-5: -Well, alleles are matching genes; one from our biological mother, one from our biological father. We have two copies of every gene (strings of code that drive some biological function on our chromosomes). They can be identical, but they can often have slight differences.

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