Karyotypes
How many chromosomes are in a normal human karyotype?
46
What is meiosis?
reduction division of a diploid nucleus to form a haploid nuclei
Give an example of asexual reproduction.
fragmentation-star fish
Name the phases of mitosis
prophase, metaphase, anaphase, telophase
What dog is the world's smallest breed?
Yorkshire Terrier
How do you know a karyotype is female?
two X chromosomes
At the start of meiosis, the parent cells are haploid or diploid? At the end of meiosis, the daughter cells are haploid or diploid?
diploid, haploid
Asexual Reproduction involves how many parents? Sexual Reproduction involves how many parents?
1, 2
In the DNA sequence ATC-CGA, what is the complimentary mRNA nucleotide sequence?
UAG-GCU
Who does the most hunting, male or female lions?
female lions complete 90% of the hunting
How do you know a karyotype is male?
1 X chromosome, 1 Y chromosome
If a diploid parent cell has 30 chromosomes, how many chromosomes will be in each daughter cell after meiosis has occured?
15
sexual reproduction
Name the four biomolecules
Carbs, protein, lipid, nucleotides
Can an alligator drown if kept under water for too long?
yes!
How do you know a karyotype has Trisomy 21?
During meiosis, chrom0somes randomly sort into daughter cells. This is known as....
Independent Assortment
Binary fission is an example of asexual or sexual reproduction?
asexual reproduction
An organism that can make its own food is called an _____.
autotroph
True or False: It is illegal in Alaska to whisper in someone's ear while moose hunting.
True
How do you know a karyotype is normal?
46 chromosomes, none missing or added
What is formed at the end of meiosis?
4 genetically different daughter cells
Identical offspring is the product of what kind of reproduction?
asexual reproduction
What is carrying capacity?
The amount of organisms an ecosystem can support comfortably.
The smell of skunk can be detected by a human as far as....
a) 1 mile away, b) 200 yds. away c) 400 ft away d) 5 miles away
a) one mile away