Vocabulary
What is a Trait
The expressed gene
A trait shown in grandparents that shows back up in grandchildren 1 out of 4 times
Yes it's recessive
Which gender has XY chromosomes?
Male
True or False chromosomes are made of DNA
True
Where are chromosomes located?
Nucleus of cells
What is an Allele
A version of a trait
What did Mendel discover?
Recessive and dominant traits/genes/alleles
What is an organism's genotype?
Its genetic makeup, or allele combination
For example TT, Tt ,tt, BB, Bb, bb
What is the chance of a recessive gene showing up when two heterozygous organisms breed
1 in 4
All human cells contain how many chromosomes?
What is 46?
What is the passing of physical characteristics from parent to offsprings?
Heredity
What are the genotypes for each parent if 1/4 of the offspring in a punnett square is homozygous recessive?
Both heterozygous.
How do Alleles affect inheritance?
An organism's traits are controlled by the alleles it inherits from its parents. Some alleles are dominant, while others are recessive
How many alleles does a gene need to have to be considered to have multiple alleles
3+
Organized display of an organism's chromosomes.
What is karyotype?
What is a Punnet Square?
A chart that shows all possible ways alleles can combine in a genetic cross
If two peas breed and one is yellow and the other is green would it be recessive for a green F1 generation if it is then is it heterozygous or homozygous
No, Heterozygous
What is an organism's phenotype?
Its physical appearance or traits
( For example a tall pea plant or a black guinea pig)
How many types of lipids are there and what are the types
2, saturated and unsaturated
The 3 parts of a nucleotide.
What is phosphate, sugar, base.
What does it mean if something it heterozygous?
A heterozygous organism has two different alleles, a dominant and a recessive allele. Bb.
A dominant white bunny has a baby with a recessive brown bunny. It has two brown bunny offsprings. What is the genotype of its parents? Use W and w.
What is Ww and ww?
Possible letter code if the organism is homozygous for the recessive trait.
bb (or any other letter as long as both are lowercase).
What is the difference between a heterozygous organism and a homozygous organism?
A heterozygous organism has two different alleles while a homozygous has two of the same alleles
The 4 nitrogenous base names
What is Adenine, Thymine, Cytosine, and Guanine