Science1
What is the phase order in meiosis
Prophase-metaphase-anaphase-Telophase
Which enzyme fills in the okazaki fragments
What is the phenotype ratio when crosssing two heterozygous individuals
Name 2 inds of diseases caused by mutations?
Sickle cell,
how is meiosis different from mitosis in terms of chromosome number
Haploid and diploid
Both the leading strand and lagging strand go in what direction during DNA replication
5'-3'
How many pairs of ex chromosomes do we have?
1
How many ales per gene
2
What are the two levels of mutations
DNA level, chromosomal level.
What is the probability of getting a homozygous recessive ofsring from twoheterozgous parents
25%
What is a mutaion
Change in DNA sequence
give an example of a gene and a allele to explain the difference between them.
- Gene: Eye color gene
- Alleles: Blue eye allele, Brown eye allele
The backbone of Dana is made of what
SUgar
Which enzyme adds new nucleotide during DNA replication
Dna polymerase
Inside the nucleus, DNA is coiled around this structure
histones, Chromatin
What s Dna
Contains the genetic information from parents to children
What is the purpose of an ezyme
What is crossing over?
This process during meiosis increases genetic diversity.
Who is Robert Hooke? 🔬
This scientist is credited with coining the term "cell."
What are chromosomes?
Humans have 23 pairs of these structures in their cells.
What is helicase?
This enzyme is responsible for unwinding the DNA double helix.
What is mRNA? 📜
This type of RNA carries the genetic code from DNA to the ribosome.
- Question: What is mRNA? 📜
What are nucleotides? 🧱
These are the building blocks of DNA.
What is mitosis? 🔄
There are the building blocs of Dna
What is osmosis
The movement of water