TLS Online TPP Program

#Question id: 27126


Dye injected into a plant cell might be able to enter an adjacent cell through a:

#Unit 4. Cell Communication and Cell Signaling
  1. tight junction.

  2. microtubule.

  3. desmosome.
  4. plasmodesmata.
More Questions
TLS Online TPP Program

#Question id: 4783

#Unit 8. Inheritance Biology

Non allelic gene interaction If cross between AaBb X AaBb  what are proportional of progeny with white respective phenotype

TLS Online TPP Program

#Question id: 4784

#Unit 8. Inheritance Biology

The following is the biochemical pathway for purple pigment production in flowers of sweet pea Recessive mutation of either gene A or B leads to the formation of white flowers. A cross is made between two parents with the genotype: AaBb x aabb. Considering that the two genes are not linked, the phenotypes of the expected progenies are

TLS Online TPP Program

#Question id: 4785

#Unit 8. Inheritance Biology

One form of white eye is a recessive X-linked gene in Drosophila. From a mating of a heterozygous wild-type Drosophila female with a white-eyed male, what is the probability of wild type offspring?

TLS Online TPP Program

#Question id: 4786

#Unit 8. Inheritance Biology

Following biochemical pathway for agouti phenotype in mice is control by gene A and B. when cross between AAbb xaaBB, what will be phenotype ratio in F2 generation? 

TLS Online TPP Program

#Question id: 4787

#Unit 8. Inheritance Biology

In humans, PKU (phenylketonuria) is a recessive disease caused by enzyme inefficiency at step A in the following simplified reaction sequence, and AKU (alkaptonuria) is a recessive disease due to enzyme inefficiency in one of the steps summarized as step B here:A person with PKU and homozygous for normal of other character was married a person with AKU and homozygous for normal of other character. What is expected phenotypes in their children?

TLS Online TPP Program

#Question id: 4788

#Unit 8. Inheritance Biology

The wild-type (W) Abraxas moth has large spots on its wings, but the lacticolor (L) form of this species has very small spots. Crosses were made between strains differing in this character, with the following results:

 What are correct conclude from genetic explanation of the results in these two crosses

a. female are heterogametic but male are homogametic for sex chromosome

b. female are homogametic but male are heterogametic for sex chromosome

c.Trait  for spot shape linked with sex chromosome

d. Trait  for spot shape linked with autosome chromosome

e. Gene  for spot shape  present on  mitochondrial genome