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Anarel [89]
3 years ago
13

Which of the following is NOT a division of non-seed plants?

Biology
2 answers:
coldgirl [10]3 years ago
8 0
We're is the division but problem at?
irakobra [83]3 years ago
7 0
The question is multiple choice, where are the choices?
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Why does a<br> vestigial pelvis show that<br> the ancestors of the modern<br> whale once had legs?
OleMash [197]
The research party began by exploring the embryonic development of whales' cousins, the dolphins. These creatures are intriguing because, for a brief time during development, they sprout hind limbs . That's why dolphins lose their 'legs'.” In whales, however, the story is more complex.
7 0
3 years ago
2. Describe the problem that McClintock suggested Harriet Creighton solve.
harina [27]

Answer:

'Cross experiments done by Morgan, illustrating the X-inheritance link of a mutation Thomas Hunt Morgan moved intensely in a program of breeding and crossing miles of fruit flies at New York University in a room that was renamed the Fourth of the Flies. He tried to mutate the flies with various means (X-rays, centrifuges, etc.) .The fruit fly which has 4 pairs of chromosomes. One of those pairs was identified as containing X and Y sex chromosomes. He applied Mendelian principles in flies. Morgan's inheritance study demonstrated inheritance linked to sex, and is one of the first evidences that confirm the chromosomal theory of cross-based inheritance. In 1909, Morgan detected a fruit fly (Drosophila melanogaster) with a strange mutation which he called "white eyes", due to the coloration of his eyes (contrary to normal, which is red). Analyzing this fly under the microscope Morgan discovered that it was a male, and could use it as a stallion so that he could observe how the new characteristic of white eyes would pass from generation to generation.All the offspring of this cross will have red eyes, which He made Morgan suspect that something strange had happened, since the color of the father's eyes could not have disappeared. He decided to take a couple of "daughters flies" and cross them together, just to see what happened. Morgan's surprise was very great, observing that among the "granddaughters" flies only males had white eyes. The problem then was to explain what had happened during the hereditary transmission for the color of the white eyes only the males possessed. .

7 0
3 years ago
What is the human female reproductive system is adapted for? A. Production of zygotes in ovaries B. External fertilization of ga
victus00 [196]

Answer:

D. Transport of oxygen through a placenta to a fetus.

Explanation:

Zygotes are fertilized egg cell, zygotes aren't produced in the ovaries but ovums or egg cells are produced in the ovaries. So option A is false.

Fertilization is internal not external in human. Option B is wrong.

Production of milk happens in the mammary gland (the breast) not in the reproductive system. Option C is false.

Transport of oxygen through a placenta to a fetus. The placenta is a vascular organ which is implanted in the wall of the uterus (a part of the female reproductive system) and links to the foetus through the umbilical cord.

8 0
3 years ago
Which of the following attributes is common to both prokaryotic cells and eukaryotic cells?
yarga [219]

Answer:

b. the use of DNA as the information storage molecule

Explanation:

Prokaryotic cells are the ones that lack the membrane-bound organelles and well-defined nucleus. Eukaryotic cells have the nucleus and other membrane-bound organelles. Most of the prokaryotic cells are smaller in size as compared to eukaryotic cells. Despite these differences, both prokaryotic and eukaryotic cells have DNA as their genetic material. DNA serves to store genetic information in both types of cells.

8 0
3 years ago
How are the following arranged from smallest to largest: nucleoside, coil, supercool, chromosome, and DNA replication?
Andreas93 [3]
DNA Helix, DNA Supercoils, Nucleosome, Chromosome
Small < Large

8 0
3 years ago
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