Podcast
Questions and Answers
What is a sex-linked trait?
What is a sex-linked trait?
- A trait determined by an allele or gene on chromosome 23
- A trait determined by an allele or gene on the sex chromosomes (either X or Y) (correct)
- A trait determined by an allele or gene on chromosome 1
- A trait determined by both X and Y chromosomes
How are X-linked traits influenced?
How are X-linked traits influenced?
- By genes located on the Y chromosome
- By genes located on the X chromosomes (correct)
- By genes located on both X and Y chromosomes
- By genes located on autosomes
Why are recessive X-linked traits more common in males than females?
Why are recessive X-linked traits more common in males than females?
- Because males have two X chromosomes
- Because males have one X chromosome (correct)
- Because females have two X chromosomes
- Because females have one X chromosome
What genetic disorder impairs a person's control over blood clotting?
What genetic disorder impairs a person's control over blood clotting?
Which chromosome is much shorter than the X chromosome?
Which chromosome is much shorter than the X chromosome?
From the text, which condition is caused by a mutation to the red and/or green retinal photoreceptors located on the X chromosome?
From the text, which condition is caused by a mutation to the red and/or green retinal photoreceptors located on the X chromosome?
Which molecule acts as a genetic code and carries genetic information in living organisms?
Which molecule acts as a genetic code and carries genetic information in living organisms?
In human cells, which chemical units make up the genetic code carried by DNA?
In human cells, which chemical units make up the genetic code carried by DNA?
How many chromosomes do humans typically have?
How many chromosomes do humans typically have?
Which statement best describes the role of genes in passing traits from parents to children?
Which statement best describes the role of genes in passing traits from parents to children?
What is the pairing of adenine with thymine and guanine with cytosine a part of?
What is the pairing of adenine with thymine and guanine with cytosine a part of?
What is the difference between genotype and phenotype?
What is the difference between genotype and phenotype?
In genetic inheritance, what does a dominant allele do in relation to a recessive allele?
In genetic inheritance, what does a dominant allele do in relation to a recessive allele?
What happens in codominance?
What happens in codominance?
Which genetic inheritance type involves both alleles being partially expressed in an intermediate phenotype?
Which genetic inheritance type involves both alleles being partially expressed in an intermediate phenotype?
If a plant has one recessive allele and one dominant allele for a certain gene, what will be the result according to genetic inheritance principles?
If a plant has one recessive allele and one dominant allele for a certain gene, what will be the result according to genetic inheritance principles?
In genetic inheritance, what is the function of a recessive allele?
In genetic inheritance, what is the function of a recessive allele?
