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Why is it not possible for an individual to have a XY chromosomes?
About half of us DO have an XY chromosome. Males. XX chromosomes are female.
What are mini chromosomes also called?
Mini chromosomes are also called "microchromosomes." These are small chromosomes that typically contain fewer genes than standard chromosomes and are often found in certain species of plants and animals. They play significant roles in genetic diversity and adaptation. In some cases, they can also be referred to as "miniature chromosomes" or "supernumerary chromosomes."
What is the significance of having pairs of chromosomes in this karyotype, and why are there pairs of chromosomes in this karyotype?
Pairs of chromosomes in a karyotype are significant because they represent one set of chromosomes from each parent. Having pairs of chromosomes ensures genetic diversity and allows for the inheritance of traits from both parents. This pairing is necessary for proper cell division and genetic stability in an individual.
The sequencing of human chromosomes 21 and 22 showed that?
Chromosomes 21 and 22 are two of the smallest human chromosomes; they were the first to be fully sequenced as part of the Human Genome Project. The sequencing of these chromosomes has provided valuable insights into genetic variation, disease associations, and evolutionary relationships. Studies have shown that these chromosomes play a significant role in various genetic disorders, such as Down syndrome.
What discovery in the 1900 supported Mendel's ideas?
Chromosomes
What chromosome tells us the sex of a human?
The X and Y sex chromosomes. If the embryo inherits an X and Y chromosome, it will be male. If the embryo inherits two X chromosomes, it will be female.
Was the US Civil War significant?
The US Civil War was indeed significant, affecting millions of people.
Why they have identical chromosomes?
Since we all come from a single cell that's multiplied billions pf times to make us - each cell is an exact copy of itself - therefore the chromosomes are identical.
Where do plants get their genetic information from?
They get it from the same place that animals like us do, the genes in their chromosomes found in the DNA.
All chromosomes except the X and Y sex chromosomes are called?
homologous chromosomes and autosomal chromosomes
How many chromosomes do lobsters have?
A lobster has 100 chromosomes. Humans have 46 chromosomes, the same as a lizard. A dog has 78 chromosomes, and a fly has 12 chromosomes.
Are sex chromosomes called homozygous chromosomes?
No, sex chromosomes are not referred to as homozygous chromosomes. Homozygous chromosomes have identical alleles at a specific gene locus, while sex chromosomes determine an individual's biological sex. In humans, sex chromosomes include X and Y chromosomes.
