Biology

A sexually reproducing species of algae has been engineered to produce biofuels with varying yields. ...

Started by bio_gurl

A scientist is studying insect wing length. An individual from a pure-breeding parental line (P1), ...

Started by abarnes

A scientist is researching oil content of seeds from a new plant species namedR. tificial. She has ...

Started by arivle123

A scientist is researching oil content of seeds from a new plant species namedR. tificial. The ...

Started by haleyc112

A pure-breeding tree that produces fruit with 12 seeds, the smallest number of seeds possible, is ...

Started by jilianpiloj

A hypothetical condition in some domesticated fowl is identified phenotypically by patchy loss of ...

Started by tfester

A group is experimenting with selection in an insect species due to exposure to a newly developed ...

Started by RRMR

A group is experimenting with selection in a mouse model for a disease that is lethal in mid-life. ...

Started by rayancarla1

A cultivator is breeding a crop for increased fruit production. The mean fruit weight in the ...

Started by 809779

How can transplantation and ablation be used to find out if a cell in the source of a developmental signal?

Started by nmorano1

Describe the genetic evidence that demonstrates that a developmental gene has maternal effect.

Started by pane00

Molecules whose concentration and position in an embryo determine some aspect of development are ...

Started by BrownTown3

Genes that influence development in a manner that is independent of their paternal genotype are said ...

Started by Mollykgkg

Coordinate genes in an organism such asDrosophiladetermine the ________ of the early embryo.

Started by schs14

Most of the genes controlling development encode either signal molecules or ________.

Started by melina_rosy

You are interested in the homeobox genes that may regulate the development of the common clover ...

Started by mynx

Which group of genes inDrosophilaembryos must be mutated if the result is elimination of a ...

Started by bobbysung

What substance, in different concentrations, directs developmental fates?

Started by swpotter12

Null mutations in ________ genes would be expected to result in the failure to establish the ...

Started by Destiiny22

InDrosophilaand other animals,Hoxgenes encode transcription factors that control development; but ...

Started by laurencescou

If a cell from the blastoderm of theDrosophilaembryo is committed to form the sixth abdominal ...

Started by evelyn o bentley

Homeotic genes in virtually all animals are said to show colinearity between the spatial arrangement ...

Started by arivle123

Certain species of lilies, if eaten by pregnant ewes, can cause the ewes to produce lambs with ...

Started by james0929

An embryonic stem cell has the potential to differentiate into any cell or tissue type. Is it ...

Started by SO00

Cells called ________ influence development by controlling other cells in their local environment?

Started by NguyenJ