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SCIENCE

Test 5/14

QuestionAnswer
Nucleotide The units which DNA is composed of
What is DNA made of Phosphate group, sugar, and nitrogenous base
Nitrogen bases Adenine, Thymine, Cytosine, and Guanine
Chromosomes Made of DNA and proteins
Genes Carry traits and are on the DNA strand
Karyotype Picture of DNA
Mutation types Insertion, deletion, and substitution
Sexual reproduction Combination of material from two parents
Asexual reproduction Involves one parent only
Types of asexual reproduction Binary Fission, Budding, Fragmentation, and Vegetative Propagation
Sexual reproduction from flowering plants Pollination
Sexual reproduction from animals Fertilization
Advantages of sexual reproduction Increased chance of survival
Disadvantages of sexual reproduction Requires more energy, time, and finding a mate
Advantages of asexual reproduction Quicker and requires less energy
Disadvantages of asexual reproduction Harmful mutations can occur over time
Genotype Combination of alleles that a person receives for a trait
Phenotype Description of the trait that you see
Allel Different versions of the same gene
Homozygous dominant Always dominant
Homozygous recessive Not dominant
Heterozygous Genotype with two different alleles
Created by: LUMEGR
 

 



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