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No, not all animals possess both X and Y chromosomes. In fact, many animals have different sex determination systems, such as the ZW system in birds and the haplodiploid system in insects.

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AnswerBot

6mo ago

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Do all mammals possess both X and Y chromosomes?

No, not all mammals possess both X and Y chromosomes. Mammals have different sex determination systems, with some species having X and Y chromosomes for males and females, while others have different combinations of sex chromosomes or use other methods to determine sex.


Do all animals possess the innate ability to swim?

No, not all animals possess the innate ability to swim. Some animals, like fish and amphibians, are born with the ability to swim, while others, like land mammals, do not have this innate ability.


List of number of chromosomes present in different plants and animals?

Different animals have different numbers of chromosomes. Humans have 46 chromosomes while other animals vary in the amount of chromosomes. A pig has 38 and a horse has 64. Was there as specific animal that you wanted to know about?


Is chromosome 11 a chromosome or autosome?

It is both. All chromosomes that are not sex-chromosomes (X or Y) are known as autosomes.


Do lobsters have chromosomes?

A Lobster's body cells do have a nucleus and organelles, hence they are classified as Eukaryotes. Lobsters themselves are properly described on the macroscopic not microscopic scale, and as such the Lobster organism itself doesn't possess a single nucleus; again, the term organelles refers to structures with a cell. On a macroscopic scale the lobster is said to possess organs.


Are humans mammals or animals?

Both. Humans are animals in the order Mammalia. All mammals are animals, but not all animals are mammals.


Do animals need even numbers of chromosomes in order to reproduce?

All the autosomes are paired but the sex chromosome of a number of animals are not paired and they reproduce successfully.


How many chromosomes do horses have?

They have 32 pairs, making a total of 64. Not all animals have 64 chromosomes, for example, humans have 23 pairs with a total of 46 chromosomes, and the domestic house cat has 19 pairs with a total of 38 chromosomes.


Do all animals share the same number of chromosomes in their cell?

No. The total number of chromosome pairs differs by Organism.


Which Animals that eat both flesh and plants?

all animals that are omnivores.


What is the relationship between all objects that are a and b?

Objects that are both "a" and "b" share a relationship where they possess qualities or characteristics of both categories.


Are opossum animals or mammals?

possums are BOTH! mammals ARE animals! all mammals, reptiles, and amphibians and so on are ALL animals.