Because of the _____________________, traits carried by early settlers are found in a large fraction of the descendent population
Fill in the blank(s) with correct word
founder effect
You might also like to view...
Which structure supports the developing embryo if fertilization occurs?
A. uterus B. cervix C. vagina D. ovary E. fallopian tube or oviduct
The term “hyperpolarization” refers to
a. movement of the resting membrane potential closer to threshold. b. movement of the resting membrane potential farther from the threshold c. an excitatory postsynaptic potential. d. the opening of sodium channels.
Genetic diagnosis by DNA testing
a. detects only mutant and not normal alleles. b. can be done only on eggs or sperm. c. involves hybridization to rRNA. d. often uses restriction enzymes and a polymorphic restriction site. e. cannot be done with PCR.
Peas (Pisum sativum) were well suited for Mendel's breeding experiments for all of the following EXCEPT
a) many of the characteristics that vary in pea plants are controlled by single genes b) peas have a particularly long generation time c) peas exhibit variations in a number of observable characteristics, such as flower color and seed shape d) it is easy to obtain large numbers of offspring from any given cross e) Mendel and his staff could control the pollination between different pea plants