Heredity
This is the male chromosome pair.
What is XY?
This type of twin forms from 2 different eggs and 2 different sperm. Example: Peytyn and Parker Johnson
What is fraternal twin?
Brown hair is dominant and blonde is recessive.
This is the color hair someone with the genes bb would have.
What is blonde?
This is what chromosomes are made of.
*Daily Double*
What is DNA?
Developed the Punnett Square
Who is Reginald Punnett?
Having one dominant gene and one recessive gene
*Daily Double*
What is hybrid?
This is the number of reproductive cells that form at the end of meiosis.
What is 4?
Brown hair is dominant and blonde is recessive.
This is the color hair someone with Bb would have.
What is brown hair?
This bonds with cytosine.
What is guanine?
Found that Adenine and Thymine bond together.
Who is Erwin Chargaff?
This is the stronger trait. It shows if it is there.
What is dominant trait?
In the process of making reproductive cells, This is how many times are chromosomes duplicated.
*Daily Double*
What is once?
This is the probability a child will have brown hair if one parent is purebred for brown hair and the other is purebred for blonde.
BB X bb
What is 100%?
This bonds with adenine.
What is thymine?
Took xrays of cells and found that DNA has a spiral shape
* Daily Double*
Who is Rosalind Franklin?
This is an organism's looks.
What is phenotype?
The number of times cytokinesis occurs in Meiosis.
*Daily Double*
What is twice?
This is the probability a child will have brown hair if one parent is a hybrid for brown hair and the other is purebred for blonde.
Bb X bb
*Daily Double*
What is 50%?
The sides of DNA are made of these.
*Daily Double*
What are sugars and phosphates?
Studied pea plants and found dominant and recessive traits.
Who is Gregor Mendel?
This is a segment of DNA. It is the instructions for your looks.
*Daily Double*
What are genes?
The number of chromosomes in 1 human reproductive cell.
What is 23?
This is the probability that parents who are both hybrid for brown hair will have a brown haired child.
Bb X Bb
*Daily Double*
What is 75%
The twisted ladder shape of DNA.
What is Double Helix?
Built the first model of DNA.
Who are Watson and Crick?