CHROMOSOME, DNA, GENE
The x-shaped structure in the cell nucleus made of DNA
What is chromosomes?
The physical appearance of an organism resulting from its genes.
Brown eyes are dominant to blue eyes. If dad is homozygous for brown eyes, what is his genotype?
USE LETTER "B" TO REPRESENT EYE COLOR
What is BB?
The process of choosing organisms with desirable traits to breed together.
What is selective breeding?
the molecule that carries genetic information, blueprint that makes you
What is DNA?
The genetic makeup of an organism, often represented by letters like "aa", "Tt" or "BB".
What is genotype?
Curly hair is recessive to straight hair. If a little girl has a genotype of tt, what is her phenotype?
USE LETTER "T" TO REPRESENT HAIR TYPE
What is curly hair?
This technology allows scientists to directly modify an organism's DNA.
What is genetic engineering?
A section of DNA that codes for particular proteins
What is gene?
When both alleles for a trait are the same, like "TT" or "tt", the genotype is called this.
What is homozygous?
Purple flowers is dominant to white flowers. If you cross a homozygous purple flower (PP) and homozygous white flower (pp), what will be the offsprings genotype?
USE LETTER "P" REPRESENTS FLOWER COLOR
What is Pp?
A farmer needed a strong dog that would alert him if anything went wrong on the farm. Using this process he mated a muscular dog with a loud barking dog
What is selective breeding?
A change in DNA or gene
What is a mutation?
When one allele is dominant and the other is recessive, like "Tt", the genotype is called this.
What is heterozygous?
Dimples are recessive to no dimples. If dad and mom are heterozygous for no dimples, what will be their offsprings phenotype?
USE LETTER "D" TO REPRESENTS DIMPLE TRAIT
What is dimples and no dimples?
This process involves taking the insulin gene and inserting it into bacteria so the bacteria can create insulin in large amounts.
What is genetic engineering?
different versions of a gene for the same trait
What is an allele?
This term describes a trait that is expressed only when two recessive alleles are present.
What is homozygous recessive?
If a woman homozygous recessive for red hair (hh) has children with a man heterozygous for black hair (Hh), what percentage of their children will be red hair?
What is 50%?
This medical approach uses genetic material to prevent, treat, and potentially cure disease.