Complex Inheritance Study Guide

Which of the following is shown in a karyotype?

• homologous chromosomes

• sex chromosomes

• autosomes

• all of the above

Which of the following can be observed in a karyotype?

• a change in a DNA base

• an extra chromosome

• genes

• alleles

Micrograph in which the pairs of homologous chromosomes are arranged in decreasing size.

• karyotype

• telomere

• epistasis

• autosome

How many total chromosomes are shown in a normal human karyotype?

• 2

• 23

• 44

• 46

In the karyotype shown above, the organism is a ______.

• male

• female

• neither

Human females produce eggs that have ...

• one X chromosome

• two X chromosomes

• one X or one Y chromosome

• one X and one Y chromosome

What is the probability that a human offspring will be female?

• 10%

• 25%

• 50%

• 75%

What percentage of human sperm cells carry an X chromosome?

• 0%

• 25%

• 50%

• 100%

Which of the following genotypes for blood type result in the same phenotype?

• I^AI^A and I^AI^B

• I^BI^B and I^Bi

• I^BI^B and I^AI^B

• I^Bi and ii

If a man with blood type A and a woman with blood type O produce offspring, what might be the possible blood types?

• A or O

• A, B or O

• A, B, AB or O

• AB only