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One is Drosophillia melanogaster, a common genetic workhorse and common fruit fly. It has only four chromosomes.

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Q: Which animals have less than 23 pairs of chromosomes?
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What 23 p of c things are in the human body?

Regular people have 23 pairs of chromosomes. Having less than that is not good.


How many pairs of chrosomes do humans have?

There are a total of 23 pairs (22 chromosome pairs, plus another pair determining sex) for a total of 46 chromosomes for a normal human being. There are various chromosomal abnormalities in which an individual may have more than (trisomy) or less than (monosomy) than 46.


Chromosomes other than X and Y?

Chromosomes that are not X or Y are called homologous chromosomes and autosomal chromosomes. The first 22 pairs of human chromosomes are autosomal.


What is a number less than 100 and has factor pairs?

All of the composite numbers less than 100 have factor pairs.


What pairs have a LCM that is less than the product?

Pairs with common factors other than 1.


How do the chromosomes of a sperm cell differ from chromosomes in other cells of the body?

They have less chromosomes than a normal cell.


Homologous chromosomes are pairs of chromosomes containing genes that code?

same traitsthe same traits as each other. Different chromosome pairs code for different traits than other chromosome pairs do though. Only homologous chromosomes (chromosome pairs) code for the same trait as each other.


What number has 5 factor pairs is less than 100 and more than 50?

80 has 5 factor pairs.


Number less than 20 with 3 factor pairs?

12 and 18 have three factor pairs.


What is a number less than 20 with three factor pairs?

12 and 18 have three factor pairs.


How many chromosomes do a fertilized egg of a human have?

After fertilization all normal human cells contain the same number of chromosomes as the cells of an adult human - 23 pairs of chromosomes, for a total of 46 chromosomes. Before fertilization the ovum contains only 23 chromosomes. A second 23 chromosomes are provided by the sperm during fertilization.


How many chromosomes does the black man have?

All humans, other than those with genetic disorders such as Down Syndrome, have 23 pairs of chromosomes, no matter what their skin color is. Skin color does not have anything to do with how many chromosomes a person has.