Building Blocks of Genetics Phases Mendelian Genetics DNA Protein Synthesis
100
What is a chromosome
Each very long chromatin fiber twists and folds to form this.
100
What is Metaphase I (Meiosis only)
Homologous pairs line up in the middle of the cell.
100
What is heredity
This is the transmission of traits from one generation to the next.
100
What is deoxyribose
The D in DNA stands for this part of the molecule.
100
What are proteins
_________ perform the majority of cellular functions and control physical traits.
200
What is a gene
A small segment of the chromosome, this contains the information needed to build one or more strands of protein.​
200
What is Anaphase (Mitosis) and Anaphase II (Meiosis)?
Sister chromatids are pulled apart by the spindle fibers.
200
What is a trait
Each possible variation of a character, such as brown eyes.
200
What is semi-conservative
New DNA molecules are made up of one of the original parental strands plus a new half, making them __________.
200
What is mRNA
During transcription, DNA is transcribed into a single strand of _____________ before leaving the nucleus.
300
What are sister chromatids
Pairs of duplicated chromosomes are called what.
300
What is Telophase II (Meiosis)?
Four haploid cells start to form, with the nuclei reforming.
300
What are alleles
Alternate forms of a particular gene are called _______.
300
What are deoxyribose (sugar), phosphate, and a base
A DNA nucleotide is made up of these three general parts.
300
What is tRNA.
This type of molecule carries amino acids to the ribosome during translation.
400
What are homologous pairs
Most of the cells in your body are diploid, meaning they have two copies of each chromosome.​ These two copies together are called ________________.
400
What is Prophase (Mitosis), Prophase I (Meiosis I), and Prophase II (Meiosis)?
Chromosomes condense, nucleus starts to dissolve.
400
What is Bb
If an organism was heterozygous for eye color (B) what would be their genotype?
400
What is TACAG
Given a strand of DNA with the bases ATGTC, provide the complementary strand.
400
What is 3
Codons within the mRNA are made up of this many nucleotides.
500
What is crossing over
Chromosomes can “swap” genetic material, creating new, unique combinations.​ The name of this process is ___________.
500
What is cytokinesis
Cell plate divides the cell into two.
500
What are brown eyes
If an organism was heterozygous for eye color (B), with brown being dominant and blue being recessive, what would be their phenotype?
500
What is helicase
During DNA replication, this enzyme helps "unzip" the two strands of DNA.
500
What is a polypeptide
This is the result of translation, which can be described as a strand of amino acids that acts as a pre cursor to a final protein.






Unit 4: DNA and Genetics

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