TLS Online TPP Program

#Question id: 15011


Which of the following statements about a lethal allele is NOT correct?

#SCPH12 I Genetics
  1. Lethal alleles are always recessive
  2. Lethal alleles may have a late age of onset.
  3. Lethal alleles may be caused by mutations in essential genes.
  4. Lethal alleles may affect one individual differently than another.
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TLS Online TPP Program

#Question id: 1398

#SCPH06 I Botany

Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

TLS Online TPP Program

#Question id: 1398

#SCPH28 | Zoology

Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

TLS Online TPP Program

#Question id: 1399

#SCPH05 I Biotechnology

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

TLS Online TPP Program

#Question id: 1399

#SCPH06 I Botany

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

TLS Online TPP Program

#Question id: 1399

#SCPH28 | Zoology

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

TLS Online TPP Program

#Question id: 1400

#SCPH05 I Biotechnology

Which property is shared by malignant tumor cells and transformed cells in culture?

a. reduced growth factor requirement                        b. attachment-dependent growth

c. loss of actin microfilaments                                    d. altered morphology