3. Extensions to Mendelian Inheritance

Which of the following cell types lacks a nucleus?

Which gene on the Y chromosome plays a crucial role in the development of male genitals?

How many chromosomes are present in a human sex cell (gamete)?

Which of the following cell types has 23 unpaired chromosomes?

Which of the following is true of a species that has a chromosome number of 2n=16?

Which of the following statements about human sex chromosomes is correct?

How many chromosomes does a human haploid cell have?

In a human karyotype, there are 22 pairs of autosomes and 1 pair of which type of chromosomes?

In normal human gametes, how many chromosomes are present?