Alleles
Cards (39)
- Where is DNA found?
- What else should you be able to describe by the end of this video?
- How many pairs of chromosomes do normal human cells contain?
- How many copies of every chromosome do normal human cells contain?
- Where does one chromosome in the pair come from?
- What are genes?
- Where does the other chromosome come from?
- How many copies of every gene do we have?
- What controls earwax?
- What controls most characteristics?
- What do scientists call different versions of genes?
- How many alleles does the gene for earwax have?
- What does one allele lead to?
- What symbol is given to the allele that leads to wet earwax?
- What does the other allele lead to?
- What symbol is given to the allele that leads to dry earwax?
- What does the genotype of a person tell us?
- What do scientists say if a person has two copies of the same allele?
- What does the phenotype of a person tell us?
- What is the genotype if a person has two alleles for wet earwax?
- If a person has two alleles for wet earwax, what is their phenotype?
- What is the genotype of a person who has one allele for wet earwax and one for dry earwax?
- What do scientists call two different alleles?
- In the case of earwax, which allele is dominant to the other?
- What will a dominant allele do, even if there is only one copy present?
- What is the phenotype of a person with the genotype Capital E lowercase e?
- When will a recessive allele show in the phenotype?
- What is a recessive allele?
- What is the phenotype of a person with two copies of the allele for dry earwax?
- What kind of characteristic is height?
- Where is DNA located within a cell?
- How do chromosomes exist within normal human cells?
- What are genes a section of?
- What does 'homozygous' mean?
- What does 'heterozygous' mean?
- When does a dominant allele express its trait?
- When does a recessive allele express its trait?
- What type of trait is earwax type?
- What does the next video discuss?