How many chromosomes are in a fruit fly somatic cell?
eight chromosomes
How many pairs of chromosomes does a fruit fly have?
The Drosophila melanogaster is the most well known of fruit flies. It has four chromosomal pairs: one that determines sex and three autosomal chromosomes. Each chromosome has two arms, referred to as the left and the right.
How many homologous chromosome pairs a male fruit flies have in each cell?
4 homologous pairs
How many homologous pairs would be present in a fruit fly’s diploid cell?
8
How many chromosomes does a fruit fly have after mitosis?
8 chromosomes
How many sperm cells are formed an original cell in a Drosophila fruit fly at the conclusion of meiosis?
Answer: Four sperm cells. Explanation: Meiosis is is a cell division process that generates four haploid cells (gametes) from a single diploid germline cell.
What does it mean when two sets of chromosomes are homologous?
The two chromosomes in a homologous pair are very similar to one another and have the same size and shape. Most importantly, they carry the same type of genetic information: that is, they have the same genes in the same locations. However, they don’t necessarily have the same versions of genes.
What is the difference between homologous and nonhomologous chromosomes?
Homologous Chromosomes: Homologous chromosomes refer to a pair of chromosomes having the same gene sequences, each derived from one parent. Non-Homologous Chromosomes: Non-homologous chromosomes are chromosomes that do not belong to the same pair.
What does it mean when two sets of chromosomes are homologous quizlet?
What does it mean when two sets of chromosomes are homologous? Each of the chromosomes in the set from the male parent has a corresponding chromosome from the female parent. The number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell.
Is chromatin bigger than chromosome?
They are a higher order of DNA organization, where DNA is condensed at least by 10,000 times onto itself. Chromatin Fibers are Long and thin. They are uncoiled structures found inside the nucleus. Chromosomes are compact, thick and ribbon-like.
What is difference between DNA and chromosome?
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person’s genes.
Is there a YY chromosome?
Males with XYY syndrome have 47 chromosomes because of the extra Y chromosome. This condition is also sometimes called Jacob’s syndrome, XYY karyotype, or YY syndrome. According to the National Institutes of Health, XYY syndrome occurs in 1 out of every 1,000 boys.