Growth of new blood vessels in and around tumors is called:

Correct Answer: B

Rationale: Angiogenesis is the formation of new blood vessels, critical for tumor growth and survival.

Correct Answer: D

Rationale: All apply: cancer cells can be transplanted (e.g., in mice), passed to daughter cells (heritable), lose specialization (dedifferentiated), and invade tissues.

Correct Answer: B

Rationale: Without the pedigree, heterozygous (Aa x Aa) is common for dominant traits with affected and unaffected offspring.

Correct Answer: C

Rationale: X-linked dominant traits show no male-to-male transmission (fathers pass X to daughters only), but ‘transmission only by females’ is inaccurate; males transmit to daughters.

Correct Answer: C

Rationale: Humans have 46 chromosomes in diploid cells (2n=46).