Biology Homework Solutions

Chromosone

Hair color, eye color and widows peak are all Mendelain dominant recessive traits. If a couple who is heterozygous (both of them mind you) for each of the three traits what are the odds that they will have a child that has dark hair (Dom), Blue Eyes (Rec) and a widows peak (Dom). I think the answer should be a fraction with the ...continues

Chromosone

A male who has an allele for HD (Huntingtons Disease) mates with a woman who is phenotypically normal. What proportion of thier children will carry the trait (meaning have it but not show the symptons at any time in their life) and what proportion of their children will actually have the disease along with the trait? Some fam ...continues

Plant Kingdom

Non Vascular Plants- Why do you think it is so important for the survival of plants in this group to be nearly constantly in the sexual (gametophyte stage) Seedless Vascular Plants- How does this group survive in changing environmental conditions when sexual activity is only possible after a drenching rain? Seed Plants- Co ...continues

Animal kingdom

Starting with Phylum Mollusca(Clam, Squid) through the Phylum Annelida (Earthworm) and the Phylum Arthropoda (Grass Hopper/Grayfish) all the way through the Phylum Chordata(Perch) compare the specimens. Respiratory organs: what would the appearance of these be in each speciman. Briefly what would the advances noted from one P ...continues

Respiratory system

How does the respiratory system in Humans compare to the respiratory system in a perch and the starfish? I know that every animal has to do the same functional things like get energy, excrete, move etc but there are variations on how this is done.

Plasma Membrane

I'm trying to figure out the integrity of plasma membrane for survival? I need guideness on immune sysytem such as destroy foreign cells that have invaded the body? Could the cells of membrane destrupt membrances of foreign cells? Thanks for your help

Does a bear acquire all the energy contained in the body of fish?

Why or why not? Are there in implications such as the weight of the predators and their prey?

DNA as a starting point

I am trying to figure out why a defendant's genes should be considered as a factor in the criminal behavior? Can you help me figure out some pointers and factors?

Antibotic resistance

I am seeking information on the evolution of antibotic resistance can or cannot be prevented? Thanks for your help

Why defendant genes should be considered

I am thinking polygenic behaviors? I am trying to find reason why genetics is important important aspect in human behavior such as criminal behavior..maybe child molestation for example.

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