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Genetics Vocabulary
7th grade
Question | Answer |
---|---|
What is a quality of a dominant allele? | Overpowers and mask the other allele. |
What is an allele? | The different forms of a gene. |
What does the term hybrid mean? | An organism has two different forms of an allele. |
What is a quality of a recessive allele? | It is masked by another allele. |
What is a genotype? | The genetic makeup of a particular organism. |
What does homozygous mean? | There are two of the same alleles for a particular organism. |
What is a phenotype? | The physical appearance of an organism. |
What is an example of a purebred alleles? | GG |
What is a characteristic of a heterozygous organism? | Two different alleles for a particular trait. |
What is a gene? | The chemical factors that determine traits. |
What is a chromosome? | Gene-carrying structure found in the nucleus of cells and most visible during mitosis. |
BB is | homozygous |
Two aliens (one with straight antenna and one with curly antenna) have many, many offspring, and every single one of the offspring has straight antenna. What is true? | Straight antenna are dominant, and curly antenna are recessive. |
Which is trait may be inherited? Pierced ears, dyed-pink hair, or brown eyes? | brown eyes |