Should the Canadian policy regarding human pluripotent stem cell research be changed so that all unused gametes and embryos should be made available for research unless explicitly stated by the donors?
Posted 4 years ago by kimdo2002 in Biology 30 | 0 answers
#embryo #pregnancy #in vitro fertlization
Using a labelled diagram, compare and contrast the two areas containing hair cells within the ear that are not regenerative in mammals.
Posted 4 years ago by fiss in Biology 30 | 0 answers
#the nervous system
Posted 4 years ago by kimdo2002 in Biology 30 | 0 answers
#oogenisis #genetics #cell division #cell divison and genetics
Curly hair in humans (C) is incompletely dominant over straight hair (c). Heterozygous individuals have wavy hair (a new phenotype). What is the chance a curly-haired female and a straight-haired male have a child with wavy hair?
What is the chance two wavy-haired individuals have a daughter with curly hair?
Posted 4 years ago by kubahal in Biology 30 | 1 answers
#genetic crosses #genetics
A sheep germ cell has a diploid number of 54 chromosomes
state the number of chromosomes, chromatids, and cells at the end of each cycle.
meiosis:
prophase 1 and telophase 1
mitosis:
telophase
please help today
Posted 4 years ago by Sjane in Biology 30 | 1 answers
#cell divison and genetics #meiosis #mitosis #genetics
When a single photon from a source of light hits the retina in the eye, it triggers a signal that travels along the optic nerve to the occipital lobe of the brain.
The interaction of a photon with the photoreceptors in the retina first causes the movement of sodium ions into a sensory neuron. What happens after the movement of sodium ions?
Posted 4 years ago by Eyuan in Biology 30 | 0 answers
#sensory pathway
Do the four chromatids on a tetrad in meiosis 1 have different alleles?
Posted 4 years ago by needhelp1234 in Biology 30 | 0 answers
#meiosis #bio 30 cell division
Posted 4 years ago by Eyuan in Biology 30 | 0 answers
#genetics
List in order the events in visual perception that must occur for a person to see an object
Posted 4 years ago by Katrina10 in Biology 30 | 0 answers
#bio
When comparing the tactile acuity of various body parts, what have you concluded about the number of receptors in the palm of your hand relative to the number of receptors on your shoulder?
Posted 4 years ago by barseneault in Biology 30 | 0 answers
#tactileacuity