Which of the following choices best defines “recombinant DNA technology”? A). combining alternate alleles on the same chromosome B). an independent assortment of alternate alleles C). cloning genes from homologous pairs of chromosomes D). combining genes from different species E). manipulated crossing over

D). Combining genes from different species. More test answers on https://studyhippo.com/mastering-biology-chapter-12-2/

Which of the following does NOT occur during Prophase I of meiosis? A protein structure called a synaptonemal complex forms between the homologues. Crossing over between tetrads occurs. Homologous pairs of chromosomes separate and move toward the poles. Chromosomes begin to condense. Spindle is formed.

NOT – Homologous pairs of chromosomes separate and move toward the poles. More test answers on https://studyhippo.com/chapter-6-learning-curve/

homologous pairs of chromosomes line up next to one another along the equator

What occurs during metaphase 1? More test answers on https://studyhippo.com/biology-chapter-10-meiosis-study-guide/

Orientation of homologous pairs of chromosomes at metaphase I results in alternative arrangements that contribute to genetic variation in offspring. The orientation is called _____.

independent assortment More test answers on https://studyhippo.com/chapter-8-and-11-bio/

Home Page Science Biology Cell Biology Homologous Pairs Of Chromosomes

Homologous Pairs Of Chromosomes Flashcards, test questions and answers

Discover flashcards, test exam answers, and assignments to help you learn more about Homologous Pairs Of Chromosomes and other subjects. Don’t miss the chance to use them for more effective college education. Use our database of questions and answers on Homologous Pairs Of Chromosomes and get quick solutions for your test.

What is Homologous Pairs Of Chromosomes?

Homologous pairs of chromosomes are two chromosomes in a pair that have the same size, shape, and gene loci. They can be identified by studying their structure and noting similarities between them. Homologous pairs of chromosomes are also known as homologues or homologs.Homologous chromosomes play a major role in genetic inheritance. Each parent contributes one copy of each chromosome to their offspring, so the individual inherits two copies of each gene. This ensures that each gene is represented twice in the organism’s genome and allows for genetic variation from one generation to the next. It also enables the production of meiosis during sexual reproduction to produce gametes with unique combinations of alleles for fertilization by another gamete from a different parent. In humans, there are 22 pairs of autosomes (non-sex chromosomes) and one pair of sex chromosomes (X and Y). The autosomal chromosome pairs consist of two identical copies, one inherited from each parent. The sex chromosome pair consists only one copy from either parent; males inherit an X chromosome from their mother and a Y chromosome from their father, while females inherit an X chromosome from both parents. Knowing the structure and function of homologous pairs helps scientists better understand how genes are passed down through generations as well as how diseases or traits can be inherited genetically. By studying these chromosomal structures, scientists can develop treatments for genetic disorders or diseases that may be associated with specific genes or chromosomal loci on certain homologues within a pair.