Biology

The genes for mahogany eyes and ebony body are approximately 25 map units apart on chromosome III in ...

Started by KimWrice

Diagram chromosomal events that will ultimately result in the segregation of alleles (A and a) ...

Started by bobbie

Under what circumstance might two loci be on the same chromosome but behave as if independently ...

Started by Mr. Wonderful

In the early 1900s, two scientists noted there were many more genes than chromosome pairs, thus ...

Started by c0205847

The phenomenon in which one crossover decreases the likelihood of crossovers in nearby regions is ...

Started by SAVANNAHHOOPER23

Assume that a cross is made between AaBb and aabb plants and that all the offspring are either AaBb ...

Started by dmcintosh

When two genes fail to assort independently, the term normally applied is ________.

Started by cnetterville

True or False: Inversions and translocations are without evolutionary significance.

Started by Kikoku

True or False: A position effect occurs when a gene's expression is altered by virtue of a change in ...

Started by Alygatorr01285

True or False: Familial Down syndrome can be caused by a translocation between chromosomes 1 and 14.

Started by kshipps

True or False: A pericentric inversion includes the centromere.

Started by HCHenry

True or False: A paracentric inversion is one whose breakpoints do not flank the centromere.

Started by Pineappleeh

True or False: Gene duplications provide an explanation for the origin of gene families.

Started by audie

True or False: Assume that a species has a diploid chromosome number of 24. The term applied to an ...

Started by Destiiny22

True or False: An autotriploid may arise when three sperm cells are involved in fertilization of a single egg.

Started by segrsyd

True or False: Doubling the chromosomes of a sterile species hybrid with colchicine or cold shock is ...

Started by sc00by25

True or False: Chorionic villus sampling (CVS) is sometimes preferred to amniocentesis because ...

Started by student77

True or False: An expected meiotic pairing configuration in a triploid would be a trivalent.

Started by Lobcity

True or False: Nondisjunction is viewed as a major cause of aneuploidy.

Started by drink

Fragile-X syndrome (or Martin-Bell syndrome) is the most common form of inherited mental retardation ...

Started by WWatsford

What is meant by the terms acentric and dicentric?

Started by lak

Inversion heterokaryotypes are often characterized as having reduced crossing over and reduced ...

Started by EY67

Provide an example of gene redundancy that occurs in both eukaryotes and prokaryotes.

Started by Garrulous

Colchicine is an alkaloid derived from plants. What is its effect on chromosome behavior?

Started by Sportsfan2111

Name the polyploid condition that is formed from the addition of one or more extra sets of ...

Started by urbanoutfitters