In humans, the gene for blood type has ____________________ (number) alleles and the A and B alleles are

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


ANSWER: three; codominant

Biology & Microbiology

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The ________________ can differentiate into stems, leaves, or flowers.

A. suspensor B. shoot meristem C. basal region D. central region E. root meristem

Biology & Microbiology

If a man and his wife are both homozygous for a disease-causing recessive gene, then

____________________ of their children will be affected. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Arrange the following events in the correct sequence

1) thyroid gland secretes less hormone 2) homeostasis 3) high concentration of thyroid hormones 4) anterior pituitary secretes less TSH a. 2 ? 1 ? 4 ? 3 b. 2 ? 3 ? 4 ? 1 c. 3 ? 4 ? 1 ? 2 d. 4 ? 3 ? 1 ? 2 e. 1 ? 4 ? 3 ? 2

Biology & Microbiology

Urine moves from the renal pelvis to the ________ next

A) ureter B) urethra C) uterus D) nephron

Biology & Microbiology