1. Answer:
B) An allele is one form of a gene.
Step-by-step explanation:
- An allele refers to an alternative form of a gene. In other words it is one of the form of a gene.
- A gene may have two alleles, where one of the allele is a dominant allele and the other is a recessive allele.
- A homozygous organisms may be dominant or recessive, a homozygous recessive contains two recessive alleles while a homozygous dominant contains two dominant alleles.
- A heterozygous organisms contain one dominant allele and one recessive allele.
2. Answer;
B) Alleles
Explanation;
- According to Mendel genes are inherited in pairs of alleles that behave in a dominant and recessive pattern.
- Alleles are alternative forms of a gene.
- A gene may have two alleles, where one of the allele is a dominant allele and the other is a recessive allele.
- A homozygous organisms may be dominant or recessive, a homozygous recessive contains two recessive alleles while a homozygous dominant contains two dominant alleles.