Chapter 7 Quiz 1 Flashcards
A male with Klinefelter syndrome has three sex chromosomes -XXY. This is an example of what?
a chromosomal change
Any change in an organism’s genetic material is
a mutation
_______________ mutations occur in body cells and are not passed on to offspring.
Somatic
The use of genetic engineering to correct defective genes responsible for certain diseases
gene therapy
A farmer has two cornfields. The corn in one field is very sweet, but the ears are small. The corn in the other field has large ears, but doesnt taste very sweet. The farmer decides to breed the large-eared corn with the sweet corn in hopes of getting corn that has large, sweet earx. This is an example of
crossbreeding
True or False
Some mutations do not cause any noticeable effect.
True
True or False
Because of modern medical advances, humans live much longer than they did in the time of Abraham and the other patriarchs
False
True or False
The changes we see taking place on the earth are examples of degeneration, not evolution.
True
True or False
Inherited disorders are always caused by recessive alleles.
False
True or False
Genetic engineering is used to produce tastier, more nutritious foods.
True
True or False
In selective breeding, a breeder chooses organisms with desirable traits and breeds them, hoping to reproduce those same traits in the offspring.
True
True or False
Genetic engineering of bacteria has been used to produce insulin for people with diabetes.
True
