Which of the Following Statements About the Offspring of a Cross

question 24

Multiple Choice

Which of the following statements about the offspring of a cross between two carriers of a lethal recessive gene are true? Please select all that apply.

• A) 50% of live offspring display the heterozygous phenotype
• B) The genotypes of the offspring follow the same Mendelian patterns as for crosses not involving lethal genes
• C) Where the wild-type gene is dominant, all surviving offspring have the same phenotype
• D) Offspring genotypes follow a 2:1 ratio

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