Which of the following statements is NOT true of nondisjunction:

Mendel developed a hypothesis to explain the 3:1 inheritance pattern he observed in F2 offspring. This hypothesis includes:

Mendel’s “hereditary factors” are known today as ____________. 

A woman is phenotypically normal but had a brother who had an autosomal recessive disorder that resulted in death during infancy. What is the probability that this woman is a carrier for the disorder that afflicted her brother? 

Which of the following molecular models describes the structure of the DNA molecule?

The function of tRNA is:

If a woman is a carrier for an X-linked recessive disorder and mates with a normal, unaffected male, what is the probability her grandson has the disorder? Assume she has a normal son and a daughter, and they both have homozygous normal partners. 

Which of the following statements is correct in comparing sexual and asexual reproduction

At the end of DNA replication, two DNA molecules are produced, each one consisting of a parental DNA strand and a new DNA strand. This process is known as

Classical albinism results from a X-linked recessive allele. Which of the following is the expected ratio for the progeny when a normally pigmented male with an albino father has children with an albino woman?