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Different animals have different numbers of genes (and chromosomes). The exact number of genes that animals have has not been proven for many species, so estimates have been made.
It is estimated that humans and mice have approximately 20,000 genes, roundworms have approximately 13,000 genes and yeast has around 6,000 genes.
It should be noted that, similar to chromosome number, a larger number of genes does not necessarily mean the organism is more complex - for example rice has over 46,000 genes.
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What do all animals pass on to their offspring in reproduction?
genes 23 from each parent
Traits determined by recessive genes located on the x chromosomes are said to be?
Some traits are determined by recessive genes on the X chromosomes. Many times these are genetic disorders and are called recessive genes.
How do scientists classify animals?
They are classified by the way they look the way it develops and their DNA
How many animals is there to people?
they haven proven anything about how many animals are there+
How many wild animals there are in the world?
hyow many wild types of animals
How many methods exist for producing transgenic animals and what are they?
This will depend on the animal. These kinds of animals are ones that have foreign genes inserted into them.
Do cloned animals lose their genes?
No, the two clones have the same genes.
What animals share the same genes as the platypus?
No animals share the same genes as the platypus. To suggest they do would be to suggest the platypus is a mixture of other animals which, or course, it is not.
Do animals and plants have DNA?
no animals and plant cells can not have the same genes.
Are genes found only in animals?
The stomach
Why do common patterns of genetic control for development exist in animals?
They exist because all these genes have descended from the genes of common ancestors.
How did rabbits have long ears?
The genes of animals it originates from.
Where does an animal get its genes?
Animals can get their traits from their parents or from their environment.
Why do animals compete against each other?
Animals compete because they need to ensure their genes are passed on to the next generation. The animals with the best genes/adaptions are more likely to survive and successfully mate therefore passing their genes on. The process of which the strongest (or just best suited to the environment) genes survive on to the next generation is called natural selection.
Does animal testing mutate the animals?
does animal testing mutate the animalsyes, it mutates the animals genes
What are organisms produced with externally introduced genes?
transgenic animals
Where do animals get their colors?
They inherit their colors from the genes they inherit from their parents.
