Concepts
Offspring recieve ______ allele from their mother and one _______ from their father to make a chromsome.
What is an allele?
A disease which makes a person continuously bleed.
What is Hemophilia?
These are the number of chromosome pairs found in humans.
What is 23?
A Punnett square consists of _____ squares.
What is 4?
You have 23 of these in each cell nucleus.
What is a chromosome?
An organism has _______ copies of each gene that combine to form a new trait in the offspring.
What is two?
People with hemophilia are missing clotting factor ____________.
What are proteins?
Alleles can be dominant or this opposite type.
What is recessive?
The percent value of each individual square.
What is 25?
a type of molecule that genes and chromosomes are made of shaped like a double helix.
What is DNA?
__________ ___________ connect or bond together to form traits like straight or floppy ears.
What are protein molecules?
When people cannot make clotting factor proteins, their body cannot form __________.
What is a scab?
This is the amount of DNA that offspring receive from each parent.
What is half, 1/2, 50%?
A Punnett square shows the possible combinations of each parents _______.
What is gene versions, alleles, or traits?
One half of a chromsome that is inherited by EACH parent to make one chromosome.
What is an allele?
During reproduction, the chromosoomes of each parent ________ and are deposited into an egg or sperm cell.
What is seperate?
Doctors originally used the cells found in _________ to make clotting factor proteins.
What are hamsters?
This is the term used to describe different alleles for one genetic trait.
If a parent has a gene combination of DD for brown eyes, we call this _________ __________.
What is homozygous dominant?
a specific characteristic of an individual organism
What is a trait?
During __________, the alleles in the egg and sperm cell combine to form a zygote or offspring.
What is fertilization?
People don't just inherit traits from their parents. They can also inherit ___________.
What are diseases?
Sections of DNA located on the chromosome are called ____________.
What are genes?
A gene combination of Tt would be called _________.
What is heterozygous%?
a random change to a gene that sometimes leads to a new trait.
What is a mutation?