Question

across

1. when both alleles for a particular trait are the same (example: dd)
2. this type of allele is represented by a lowercase letter
3. observable, physical characteristic of an organism

✓17. different forms of the same gene

Explanation:

1. This term describes a genotype with identical alleles for a trait.
2. This allele is masked by dominant alleles, denoted with lowercase letters.
3. This refers to the physical expression of an organism's genetic traits.
4. This term refers to variant forms of a single gene.

Answer:

1. Homozygous
2. Recessive
3. Phenotype
4. Allele