One particular cell finishes Mitosis and enters G0. What type of body cell might this cell? (Epithelial, hair, skeletal, muscle, etc)
Nerve or cardiac
Cells that will eventually undergo Meiosis and produce gametes are called...
Ex: embryonic testes/ovaries
Germ cells
In a Testcross, the individual whose genotype is unknown is crossed with an individual who is...
Homozygous recessive
When can nondisjuction occur?
Anaphase
-OH or -H on 2nd carbon; prescence of U instead of T
You find a feather from a duck and analyze its chromosomes. You determine each cell contains 80 chromosomes. How many chromosomes are in this duck's gametes?
40
A pair of chromosomes that have the same genes and are similar enough to cross over are called....
Homologous chromosomes
What is the genotypic ratio of a dihybrid cross between two heterozygous parents (Ex: both parents = AaBb)
9:3:3:1
Unlikely
What enzyme is used in Nucleotide Excision Repair to cut out incorrect nucleotides?
Nuclease
In which stage do spindle fibers begin to emerge from the centrosomes?
Prophase
Which of the mechanisms of genetic variation occurs first?
Crossing over
A plant has the genotype SSppCcHh. How many unique gametes can it make?
4 (SpCH, Spch, SpCh, SpcH)
11
30% cytosine
S checkpoint
Meiosis can only occur in _______ organisms
Diploid
A man is homozygous dominant for the Red Hair gene. He is also homozygous dominant for the Bald gene?
What is his phenotype? What is the relationship between these two genes?
Bald; Epistasis
Why are the vast majority of Calico cats and Tortoiseshell cats female?
Random inactivation of an X chromosome
This DNA segment is 5' AGGTTACTA 3'. What is the complementary strand?
3' TCCAATGAT 5'
In Mitosis, chromosomes are pulled apart during Anaphase. What is the name of the specific structure these chromosomes are in during Mitosis?
Sister chromatids; X
Which stage does crossing over occur?
Prophase I
A homozygous dominant brown bull is crossed with a homozygous recessive all-white cow. All of the resulting offspring have tan fur.
What is the relationship between Brown and White fur color?
Incomplete Dominance
A woman is a carrier for a recessive disease while her husband has no history of the disease. None of their daughters have the disease, but half of their sons do. What is the nature of this disease?
X-Linked
Which DNA strand utilizes multiple RNA primers?
Lagging strand