Podcast
Questions and Answers
What is a recessive allele?
What is a recessive allele?
- An allele that is represented by uppercase letters
- An allele that is only expressed when two copies are present (correct)
- An allele that is dominant in a heterozygote
- An allele that is always expressed
Why were all F1 plants purple in Mendel's experiments?
Why were all F1 plants purple in Mendel's experiments?
- Because the allele for white flowers was expressed
- Because they had two alleles for purple flowers
- Because they had only one allele for purple flowers (correct)
- Because the allele for purple flowers was stronger
Why is an allele considered dominant in a heterozygote?
Why is an allele considered dominant in a heterozygote?
- Because it is expressed while the other allele is not (correct)
- Because it is represented by lowercase letters
- Because it occurs most frequently in the population
- Because it is better than the recessive allele
How are alleles for traits often represented on paper?
How are alleles for traits often represented on paper?
In the context of pea plants, which letter represents the dominant allele for height?
In the context of pea plants, which letter represents the dominant allele for height?
What was the main goal of the Human Genome Project?
What was the main goal of the Human Genome Project?
What does 'genotype' typically refer to in genetics?
What does 'genotype' typically refer to in genetics?
Which term describes an organism's genetic material that cannot be seen?
Which term describes an organism's genetic material that cannot be seen?
What term describes the physical characteristics of an individual organism?
What term describes the physical characteristics of an individual organism?
If a pea plant has one allele for purple flowers and one for white flowers, what color will the flowers be if one allele is dominant over the other?
If a pea plant has one allele for purple flowers and one for white flowers, what color will the flowers be if one allele is dominant over the other?
In genetics, what is a dominant allele?
In genetics, what is a dominant allele?