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37 Cards in this Set
- Front
- Back
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What is the Life Cycle?
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The description of the growth and reproduction of an individual
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What are Gametes?
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Sex cells (eggs and sperm)
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Dad is AB
Mom is OO What possible blood types would the could the children have? |
A or B
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How many copies of the blood type gene does dad have?
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2
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How many copies of the blood type gene does mom have?
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2
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How many copies of the blood type gene in a sperm cell?
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1
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How many copies of the blood type gene in an egg?
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1
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How many copies of the blood type gene in the baby?
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2
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What is a Chromosome?
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DNA molecule & associated proteins
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How many chromosomes do we have?
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46
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How many pairs of chromosomes do we have?
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23
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For each pair of chromosomes you have, you got how many from your mom and how many from your dad?
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23 from mom
23 from dad |
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What is the process that makes eggs or sperm called?
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Meiosis
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How many copies of every chromosome does a diploid have?
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2
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How many copies of every chromosome does a haploid have?
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1
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What is a somatic cell?
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A body cell
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How many and what kind of cells are made from Mitosis?
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2 Somatic cells
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How many and what kind of cells are made from Meiosis?
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4 Gametes
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What is Trisomy?
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The presence of an extra chromosome
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What is an example of Trisomy?
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Trisomy 21 or an extra chromosome on the 21st pair. Commonly referred to as Down Syndrome
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What is Monosomy?
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The absence of a chromosome
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What is a Gene?
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A piece of a chromosome that contains information about a trait
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Every chromosome has one or many Genes?
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Many
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What is an Allele?
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Different versions of the same gene
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What are the letters that make up the code for the proteins in DNA?
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A, T, C, & G
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Does every body cell have the same genes?
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Yes
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Does every body cell need to make all the proteins coded in its genes?
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No
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Genetic variation is caused by what?
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Mutation
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Gregor Mendel studied what?
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Pea plants
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How are Dominant alleles notated?
How are Recessive alleles notated? |
Capital Letter - A
Lower Case Letter - a |
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What makes a gene Homozygous?
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2 Copies of the same allele
aa or AA |
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What makes a gene Heterozygous?
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2 Different alleles
Aa or aA |
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What is the Genotype?
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The code of the allele AA, Aa, aa
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What is the Phenotype?
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The description
White petals, blue eyes, brown hair |
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Genetic Diseases are caused by what?
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Defective alleles that make Useless Proteins
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What is Cystic Fibrosis?
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When a person has two defective alleles that code for the protein which transfers chlorine throughout their body
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Cystic Fibrosis is Heterozygous or Homozygous?
Dominant or Recessive? |
Homozygous Recessive (aa)
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