When applying the Hardy-Weinberg law to a gene with dominant and recessive alleles, calculation of the allele frequencies always begins by writing the frequency of the _____________________ phenotype, then taking the _____________________ of this to obtain the frequency of the recessive allele

Fill in the blank(s) with correct word


recessive; square root

Biology & Microbiology

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Most insects and invertebrates are said to be iteroparous. Indicate whether the statement is true or false

Biology & Microbiology

Blood pressure is the measure of pressure in a large artery and is recorded as two numbers (120/80). These numbers stand for the pressure 

A. while the heart is contracting over the pressure while the heart is relaxed. B. while the subject is exercising over the pressure while at rest. C. while the heart is relaxed over the pressure while the heart is contracting. D. in the pulmonary system over the pressure in the systemic system.

Biology & Microbiology

Which is not a potential advantage of asexual reproduction?

A) It allows animals that do not move around to produce offspring without finding mates. B) It saves the time and energy required to produce gametes. C) It produces genetically diverse populations. D) It allows animals that are genetically well suited to a particular environment to quickly expand their populations.

Biology & Microbiology

Organisms that grow at 0°C and have a maximum growth temperature of 35°C are called ________.

A. frigiphiles B. mesophiles C. psychrophiles D. psychrotrophs

Biology & Microbiology