HELP!! 1. If a person has a karyotype that is described as 46, -5p, what do we know about their chromosomes?.?

a.they contain 5 extra chromosomes.


b.they contain genetic defects on 5 different chromosomes.


c.they started with 46 chromosomes, but lost 5 of them in meiosis.


d.they have 46 chromosomes, but #5 lost a segment due to a deletion





2.Which chromosome defect would result in a loss of genetic material in a cell?


a.inversion.


b.translocation.


c.deletion.


d.both a and b





3.The proposed idea that mitochondria and chloroplasts in eukaryotics cells arose from free-living bacteria is known as


a.extracellular inheritance


b.autogamy


c.enodsymbiotic hypothesis


d.dosage compensation





4.Which structure would not contain DNA?


a.nucleus


b.mitochondria


c.chloroplast


d.ribosome





5.If a DNA molecule contains 30% cytosine bases, what percent would be adenine?


a.10


b.20


c.30


d.40





6. Watson and Crick are credited with which important discovery?


a.molecular structure of DNA.


b.structure of the nuclear membrane.


c.role of DNA polymerase in DNA replication


d.mechanism of viral reproduction inside human host

HELP!! 1. If a person has a karyotype that is described as 46, -5p, what do we know about their chromosomes?.?
d


c


c


d


b


a


i m sure..
Reply:1. i'm not sure, sorry


2. deletion


3 extracellular inheritance


4 chloroplast


5 dont know about this one either


6 molecular structure of DNA





hope this helps, sorry i didnt know them all

survey monkey