In crosses involving complete dominance, the F2 genotypic ratio is 1:2:1 and is expressed as a

phenotypic ratio of ____________________. Fill in the blank(s) with the appropriate word(s).


ANS: 3/4 dominant and 1/4 recessive or 3:1 ratio

Biology & Microbiology

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The __________, a forebrain region, is structurally

and functionally linked with the pituitary gland as a major center for __________ control. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following is characteristic of hypothyroidism?

a. Grave’s disease b. elevated heart rate c. thyroid stimulating antibodies d. intolerant to cold temperatures e. heavy sweating

Biology & Microbiology

Modifications of previous behavior based on experience represent

A. learning. B. adaptations. C. fixed actions. D. external stimuli.

Biology & Microbiology

The units of inheritance, called ________, are segments of the DNA of a chromosome, ranging from a few hundred to many thousands of nucleotides in length

Fill in the blank(s) with correct word

Biology & Microbiology