3. Extensions to Mendelian Inheritance

Which of the following best describes the role of the Y chromosome in an organism's survival?

A human egg with 22 chromosomes (missing a sex chromosome) that is fertilized by a normal sperm will result in which of the following zygotic conditions?

In what way does having two X chromosomes provide a health advantage for girls and women?

How many pairs of chromosomes are present in a typical human cell?

If a particular gene is located on the Z chromosome in a species with ZW sex determination (such as birds), which of the following statements is correct?

In the context of sex chromosomes, what is a cell with n number of chromosomes called?

In diploid human cells, how many total chromosomes are present, including both autosomes and sex chromosomes?

Which of the following individuals has 46 chromosomes in their somatic cells?

A child who inherits an X chromosome from the mother and an X chromosome from the father will be:

In humans, how many chromosomes are inherited from the father?

Which of the following statements about the X and Y chromosomes in humans is correct?

In humans, how many total chromosomes are typically present in each somatic cell?

In humans, how many chromosomes does a typical zygote contain immediately after fertilization?

In humans, how many sex chromosomes are present in a typical gamete (sperm or egg) cell?

Which term describes a cell that contains only one copy of each chromosome?