3. Extensions to Mendelian Inheritance

In angiosperms, which of the following is correctly paired with its chromosome count?

Which of the following correctly fills in the missing information for the human X chromosome, given that it is a sex chromosome? (Assume the chromosome is not associated with a specific nuclide, but consider the number of DNA molecules, protons, and neutrons in a typical nucleotide of the X chromosome.)

In Drosophila melanogaster, which pair of chromosomes determines the sex of the individual?

Which of the following genotypes represents the presence of the Rh (rhesus) protein on red blood cells?

Which sex chromosomes do not usually undergo genetic recombination during meiosis?

If a sperm cell contains 8 chromosomes, it comes from an animal that has how many chromosomes in its somatic (body) cells?

Which sex chromosome genotype is associated with Jacob syndrome?

If a male human analyzes his X chromosome and finds that it contains 30% thymine, what can he assume about the percentage of adenine on that X chromosome?

Cat breeders are aware that kittens expressing the X-linked calico coat pattern and tortoiseshell pattern are almost invariably females. Why are they certain of this?

Which chromosomes do not determine the sex of an individual?

Chromosomes that do not determine the sex of an individual are called:

In humans, if a non-disjunction event led to an individual with a genotype of XO, they would:

Which parent determines the biological sex of a baby?

Which of the following karyotypes represents the addition of normal male (XY) cat DNA?

Do autosomes contain genes that influence biological sex determination in humans?