TLS Online TPP Program

#Question id: 6953


Maternal factors are:

#Unit 5. Developmental Biology
  1. energy rich proteins and lipids packaged into the vegetal pole
  2. mRNAs and proteins packaged into the egg by the mother, which act to control early development in the embryo
  3. genes contributed to the embryo by the maternal haploid genome
  4. components of the cortical granules which prevent polyspermy
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TLS Online TPP Program

#Question id: 15115

#Unit 8. Inheritance Biology

A semi lethal allele is an example of which of the following extensions of Mendelian genetics?

TLS Online TPP Program

#Question id: 12176

#Unit 8. Inheritance Biology

In a Z-linked characteristic, Cameo plumage, which produces brown feathers, while the wild-type plumage is a glossy metallic blue. If  a pure blue-colored male is crossed with a cameo female, then what will be the probability of blue and cameo plumage of male and female in F2 phenotype?

TLS Online TPP Program

#Question id: 12175

#Unit 8. Inheritance Biology

Colour blind are X-linked disorder, a colour blind male have daughter cross with colour blind male, then what will be the probability of colour blindness?

TLS Online TPP Program

#Question id: 12174

#Unit 8. Inheritance Biology

Red-eyed female (X ^+X^+ ) crossed with white-eyed male (X^w Y) , all the F1 progeny shows the red phenotype, then what will be the probability of F2 phenotype;
 i)  Male with red eye phenotype
ii) Female with white eye phenotype
iii) Female with red eye phenotype
iv) Male with white eye phenotype

TLS Online TPP Program

#Question id: 12172

#Unit 8. Inheritance Biology

In haplodiploid condition, hymnoptera  insects  female mates with a single male , find the mean genetic relatedness of;
i) the females in the progeny are related to,
ii) the males in the progeny are related to,

TLS Online TPP Program

#Question id: 12171

#Unit 8. Inheritance Biology

In the case of recessive lethal, showing lethality with X^w.  If the female grasshopper  with the genotype (X^+ X^w) is cross with the male grasshopper with the genotype (X^+O) , then what will be the probability of showing lethality in male and female?