1. Cancer cells within which of the following biopsy samples would be the best indicator that the cancer has metastasized and is circulating through the bloodstream?
|
Alleles |
|
Phenotype |
|
Gametes |
|
Gonads |
|
Genes |
|
Crossing over |
|
Meiosis |
|
Mitosis |
|
Segregation |
|
Quantitative traits |
A. |
The separation of a pair of alleles |
B. |
Results in two identical daughter cells |
C. |
Traits with a wide range of phenotypes like eye color, height, and intelligence |
D. |
Small segments of DNA that code for proteins |
E. |
Occurs during prophase I of Meiosis I |
F. |
Alternate forms of genes |
G. |
Sex organs |
H. |
Physical traits |
I. |
Results in a reduced number of chromosomes |
J. |
Sex cells |
1. Assume the gene for freckles is dominant (F). A woman with freckles has a son that does not. What would have to be the genotype of the mother?
2. Assume that Tay-Sachs disease only affects homozygous recessive individuals. If two parents are carriers, what are the chances that their child would have the disease?
4 years ago
20