The cleft chin trait follows a dominant-recessive inheritance pattern with cleft chin being the dormant trait. John is heterozygous for a cleft chin as is his wife Betty. John and Betty have three kids all of which have a cleft chins
According to Punnett square prediction what is the likely hood that their next child will have a cleft chin?
A) 25% chance the same probability for all subsequent children
B) 0% because the three pervious children have cleft chins already
C) 100% chance because the mother and father both have cleft chins
D) 75% chance the same probability for all subsequent children
D
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Fill in the blank(s) with the appropriate word(s).
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A. lactase B. trypsin C. maltase D. lipase
Most cases of hypothyroidism in the United States can be prevented.
a. true b. false
Male reproductive functions are controlled mainly by hormones from the hypothalamus
and the A) anterior pituitary gland and testes. B) posterior pituitary and adrenal glands. C) anterior pituitary and adrenal glands. D) posterior pituitary gland and testes.