Biology

How is The Hitchhiker's Thumb Trait Determined

Briefly explain in complete sentences how the Hitchhikers thumb trait is determined using the following words:allele, dominant, recessive, homozygous, and heterozygous. You may use this website: http

What organs are part of the human excretory system

I know for sure that the kidneys, ureters, bladder, and urethra are the main (and possibly only) organs of the excretory system, but many sources have stated that the anus and colon are also part of t

What is the body's most potent pain producing chemical

Endorphins control pain, but what chemical produces the most pain?-Prostaglandins is the Chemical causing pain and inflammation of tissues

Hardy-Weinberg problem help!

When looking at snapdragons, the dominant flowers are red (R) and the recessive flowers are white (r).This plant displays incomplete dominance since heterozygotes have flowers that are pink.If we look

Why do people who have light skin phenotype are predisposed to having sensitive skin

Because they have less melanin in their skin, which is what protects us from the sun. The darker your skin, the more melanin you have.

What is meant by the Human Genome Project and list its importance

Completed in 2003, the Human Genome Project (HGP) was a 13-year project coordinated by the U.S. Department of Energy and the National Institutes of Health. During the early years of the HGP, the Wellc

The unused 90% of the brain from a scientific standpoint

What are the theories behind the unused parts of the brain? Given the fundamental theories behind evolution, its unlikely such an inefficient waste would have developed and still be maintained after

Need biology help!!!!!!!!!!!!!!!!!!

I need biology homework help! Could anyone help me? best answer gets 10 points! 32. Which describes a suturing procedure? a. gastrorrhage b. gastrorrhea c. gastrorrhexis d. gastrorrhaphy 67. Which a

What is the scientific reason why the left side of the brain controls movements on the right side of the body

Also, what is the scientific reason on why the right side of the brain controls movements on the left side of the body?-it has to do with the development of the nervous system in embryos. but evolutio

Many endoparasites lack complex digestive systems. Which is the most likely reason for this

PLEASE HELP ME !! CH14 Marks: 1 Many endoparasites lack complex digestive systems. Which is the most likely reason for this? Choose one answer.a. Endoparasites do not usually kill their hosts.b. Endo

What are the developmental stages from zygote to fetus

zygote, then blastocyst, then gastrula, and then embryo im best answer right?! hahhaha :)

Human biology help please

Stress can disrupt bidirectional communications between which of the following bodily systems? A) nervous B) endocrine C) immune D) All of the above Thanks very much!-A and C is for sure. I dont kno