In a Testcross,an Organism with a Dominant Phenotype,but Unknown Genotype

question 28

Multiple Choice

In a testcross,an organism with a dominant phenotype,but unknown genotype is crossed with which of the following to establish its genotype?

• A)homozygous dominant
• B)heterozygous
• C)homozygous recessive
• D)heterozygous dominant
• E)monohybrid dominant

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Definitions:

Cultural Variations

Differences in customs, beliefs, practices, and social behavior among various cultures or societies.

Malnourished

A condition resulting from not consuming enough nutrients, leading to health problems like stunted growth and poor immunity.

Neurological Deficits

Impairments or losses in the functioning of the nervous system resulting from injury, disease, or a disorder affecting the brain, spinal cord, or other nerves.

Sudden Infant Death Syndrome

The unexplained death, usually during sleep, of a seemingly healthy baby less than a year old.