TLS Online TPP Program

#Question id: 4577


Which of these is a statement that Darwin would have rejected?

#XL - S Microbiology
  1. Environmental change plays a role in evolution.

  2. The smallest entity that can evolve is an individual organism.

  3. Individuals can acquire new characteristics as they respond to new environments or situations.

  4. Inherited variation in a population is a necessary precondition for natural selection to operate.

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TLS Online TPP Program

#Question id: 4743

#XL - R Botany

Ectrodactyly is an autosomal dominant trait that causes missing middle fingers (lobster claw malformation). A grandfather and grandson both have ectrodactyly, but the intervening father has normal hands by x-ray. Which of the following terms applies to this family?

TLS Online TPP Program

#Question id: 4744

#XL - R Botany

Assume that long ear lobes in humans are an autosomal dominant trait that exhibits 50% penetrance. A person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes. What is the probability that their first child will have long ear lobes.

TLS Online TPP Program

#Question id: 4747

#XL - R Botany

How does incomplete dominance differ from incomplete penetrance?

TLS Online TPP Program

#Question id: 4749

#XL - R Botany

A normal woman, whose father was Hemophilic and color blind is married to a colorblind, nonhemophilic man. What will be probability of colorblind, hemophilic daughter?

TLS Online TPP Program

#Question id: 4750

#XL - R Botany

Which of the following is similarity about Sex-limited Characteristics (SLC) and genomic imprinting (GI)?

TLS Online TPP Program

#Question id: 4751

#XL - R Botany

In the following example, 3 independently assorting genes are known to govern coat color in mice. The genotype of few of the coat colors is given below:

Agouti: A-B-C- Black: aa B-C - Albino: -- -- cc

What will be the expected frequency of abino, in progeny from crosses of  AaBbCc with albino of the genotype aabbcc?