answers already passed (6 pgs)
A family tree that describes traits in families is called a __________. - correct
answer ✔pedigree analysis
In addition to the ABO system, humans have other blood groups, including the
MN system. Individuals who have alleles for both M and N show __________
for the M and N red blood cell surface antigens. - correct answer
✔codominance
In incomplete dominance, the offspring __________. - correct answer ✔will
have an appearance that's intermediate between those of the two parental
types
Achondroplasia, a type of dwarfism, and Huntington's disease are examples
of __________, with the exception that the Huntington's allele is __________.
- correct answer ✔dominant inherited disorders; lethal
Pea plants are tall if they have the genotype TT or Tt, and they are short if
they have genotype tt. A tall plant is mated with a short plant. Which outcome
below would indicate that the tall parent plant was heterozygous? - correct
answer ✔The ratio of tall offspring to short offspring is 1:1.
Mendel studied __________, heritable features that vary among individuals;
each variant is called a __________. - correct answer ✔characters; trait
Besides the fact that pea plants have a short generation time, the key to
Mendel's successful plant-breeding experiments was that pea plants usually
__________. - correct answer ✔self-pollinate
, In a typical pea experiment, two true-breeding plants with distinct traits of a
single character are called the __________, and the offspring are called the
__________, which will always be __________. - correct answer ✔P (or
parental) generation; F1 (or first filial) generation; hybrid
In Labrador retrievers, a dog that has the genotype BBee, where BB produces
black-pigmented fur and ee produces yellow-pigmented fur, would have
__________ fur and would exhibit __________. - correct answer ✔yellow;
epistasis
What kind of protection does the Genetic Information Nondiscrimination Act of
2008 provide the public with regard to the use of genetic information? - correct
answer ✔The law prohibits the use of genetic test information to deny
insurance coverage or employment to individuals.
Color in squash is controlled by epistatic interactions in which color is
recessive to no color. At the first locus white squash (W) is dominant to
colored squash (w). At the second locus yellow (Y) is dominant to green (y).
What is the phenotype of a squash with the genotype wwYy? - correct
answer ✔yellow
An alternative version of a gene is called a(n) __________ - correct answer
✔allele
If a heterozygous plant is allowed to self-pollinate, what proportion of the
offspring will also be heterozygous? - correct answer ✔1/2
If a plant variety is true-breeding for a dominant trait, then __________. -
correct answer ✔if the plant were allowed to self-pollinate, all of the progeny
would have the dominant trait