29. Fungi

What are homologous chromosomes?

a. Chromosomes that are similar in their size, shape, and gene content

b. Similar chromosomes that are found in different individuals of the same species

c. The two chromatids in a replicated chromosome

d. Any chromosome in a diploid cell

Evaluate the following statements about mushrooms. Select True or False for each statement.

T/F A diploid zygote is formed when a male spore fertilizes a female spore.

T/F Haploid spores are formed by meiosis in basidia.

T/F A mushroom is a reproductive structure that consists largely of dikaryotic cells.

T/F Mushrooms are part of the group that also includes bracket fungi, boletes, puffballs, and stinkhorns.

What is an outcome of genetic recombination?

a. The synapsing of homologs during prophase of meiosis I

b. The new combination of maternal and paternal chromosome segments that results when homologs cross over

c. The new combinations of chromosome segments that result when self-fertilization occurs

d. The combination of a haploid phase and a diploid phase in a life cycle

What proportion of chromosomes in a man's skin cell are maternal chromosomes?