Exam 10: Patterns of Inheritance

The mutated gene that causes cystic fibrosis is ____.​

An allele is ____ if its effect masks that of a ____ allele paired with it.​

Matching Match the following terms to the description with which they best correspond. -​condition in which one allele is not fully dominant over another; the heterozygous phenotype appears to be a blend of the two homozygous phenotypes A)genotype B)heterozygous C)dihybrid cross D)pleiotropic E)codominance F)epistasis G)incomplete dominance H)syndrome I)continuous variation J)aneuploidy

If R is dominant to r, the offspring of the cross of RR with rr will ____.​

A pleiotropic gene ____.​

Match the following terms to the description with which they best correspond. -​the set of symptoms that characterize a genetic disease A)genotype B)heterozygous C)dihybrid cross D)pleiotropic E)codominance F)epistasis G)incomplete dominance H)syndrome I)continuous variation J)aneuploidy

When two alleles of the same gene are identical, the individual carrying those alleles is said to be ____.​

Match the following terms to the condition with which they best correspond. -​ABO blood types in humans A)epistasis B)incomplete dominance C)codominance D)pleiotropy E)continuous variation

Match the following symptoms to the disorder to which they correspond. -​Down syndrome A)mental impairment and heart defects B)mild mental impairment C)Sterility and mental impairment D)minimal abnormalities E)sterility, abnormal ovaries, and abnormal sexual traits

In a pedigree chart, a female showing the specific trait being studied is indicated by a ____.​

If a child has an AB blood type, ____.​

Match the following terms to the description with which they best correspond. -​two different alleles of a given gene A)genotype B)heterozygous C)dihybrid cross D)pleiotropic E)codominance F)epistasis G)incomplete dominance H)syndrome I)continuous variation J)aneuploidy

The process by which chromosomes fail to separate during meiosis is called ____.​

Match the following terms to the correct label in the figure below.​ a.A b.B c.C d.D e.E -​genotype

Match the following terms to the disorder to which it corresponds. -​Marfan syndrome A)autosomal dominant disorder B)autosomal recessive disorder C)X-linked disorder

Matching Match the following terms to the description with which they best correspond. -​effect in which a trait is influenced by the product of multiple genes A)genotype B)heterozygous C)dihybrid cross D)pleiotropic E)codominance F)epistasis G)incomplete dominance H)syndrome I)continuous variation J)aneuploidy

Suppose a single nondisjunction event occurs during anaphase II of meiosis in a normal male cell from meiosis I. Of the resulting sperm, ____.​

____ raises miscarriage risks by 2-10 percent and is rarely performed.

a(n. ____ is an offspring of a cross between two individuals that breed true for different forms of a given trait.​

The switching between asexual and sexual reproduction by water fleas is controlled by ____.​