« previous next »

Author Question: Some dioecious species have the XY genotype for male and XX for female. After do (Read 1534 times)

curlz

  • Hero Member
  • *****
  • Posts: 538
on: Aug 14, 2013
Some dioecious species have the XY genotype for male and XX for female. After double fertilization, what would be the genotypes of the embryos and endosperm nuclei?
A) embryo X/endosperm XX or embryo Y/endosperm XY
B) embryo XX/endosperm XX or embryo XY/endosperm XY
C) embryo XX/endosperm XXX or embryo XY/endosperm XYY
D) embryo XX/endosperm XXX or embryo XY/endosperm XXY
E) embryo XY/endosperm XXX or embryo XX/endosperm XXY


mydiamond

  • Hero Member
  • *****
  • Posts: 804
Reply #1 on: Aug 22, 2013
I know it's C,

Shine bright :)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Melissahxx

  • Sr. Member
  • ****
  • Posts: 304
Reply #2 on: May 16, 2015
thank you


« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

The effects of beak depth on song among different species of Galapagos finches. The effects of beak depth on song among different species of Galapagos finches.
Male pumpkinseed sunfish, Lepomis gibbosus, build their nests in the shallows of lakes and ponds. Th Male pumpkinseed sunfish, Lepomis gibbosus, build their nests in the shallows of lakes and ponds. Th
Extinction and immigration of bird species on the California Channel Islands between 1917 and 1968 ( Extinction and immigration of bird species on the California Channel Islands between 1917 and 1968 (
The female pelvis. The female pelvis.
Sagittal section of the female pelvis, showing organs of the reproductive system. Sagittal section of the female pelvis, showing organs of the reproductive system.
Some possible allele arrangements and gene sequences in a heterozygous female Some possible allele arrangements and gene sequences in a heterozygous female
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library