How many chromosomes foes the nucleus of egg-making cell contain?

Answers

Answer 1
Answer:

Answer:

23

Explanation:

Healthy humans have 46 chromosomes, 23 from the sperm and 23 from the egg. An embryo with the wrong number of chromosomes is usually miscarried, or develops disorders such as Down's syndrome, which is caused by an extra copy of chromosome 21


Related Questions

Which of the following statements about developing the conclusion of a scientific study is true?O No part of a scientific study can be considered to reach a conclusion,O Reaching a conclusion in a scientific study means future study is no longer viable or necessary.O Sociologists study very focused subjects in order to be able to answer all questions about it.O The conclusion of a scientific study functions as both an end and a beginning.
Which of the following statements is not a characteristic of lymph ? A.The movement of lymph is in a single direction. B.It contains lymphocytes. C.It removes waste from the system.. D.Lymph is filtered in kidney
The plasma membrane does all of these except _____ .a. contains the genetic material b. acts as a boundary or border for the cytoplasm c. regulates passage of material in and out of the cell d. functions in the recognition of other cells
Why does it take a long time to develop a new variety of tomato? A.Changes in traits happen gradually, over many generations. B.Many plants resist change. C.Tomatoes cannot acquire new traits. D.A species cannot change over time.
What is a string of nucleotides called?

Plants that are more similar to algae are _____.

Answers

The answer is nonvascular plants.

The plants that are similar to algae are called nonvascular plants. They are the plants small plants with the absence of vascular system. They do not have roots. They have small hair likes that insert to substrate to keep the plants in place instead of roots. These are called rhizoids.

What morphology is represented in the picture

Answers

spirilla is your answer

I was so confused with answer three and four but i guess im going with the answer number 4 but im still not sure if its number 3 or 4 but i gave it a guess that the answer is number 4

I hope it helps

Who observed that some species possess vestigial structures, such as finger bones in the flippers of manatees and similar bones in whale flippers?

Answers

Answer:

My gut answer would be Charles Darwin

Explanation:

It was Charles Darwin

What percentage of the atmosphere needs to be full in order for precipitation to fall?

Answers

Answer: 100%

Explanation:

Which animal of the coniferous forest eats plants and bark during the winter?

Answers

Answer:  Elk

The coniferous forests are found in the cold regions of the world. They are found in the taiga biome. These forests are also called as boreal forests. The vegetation composed of cone bearing and exhibiting needle leaves trees. These forests because of harsh winter conditions cannot sustain many life forms in terms of fauna and flora. The animals species found in these regions includes elk, beavers and deer.

Elk is the herbivorous animal species which feed upon grasses, plants, and bark in the coniferous forest. They are capable of tearing the bark with their sharp canines. This is a kind of adaptation shown by these animals in the scarcity of food.

the answer is the elk they eat plants for there are many seen and bark for plants are scarce.

Unlike cones, rods ?

Answers

An eye contains receptors called photoreceptors viz rod and cone cells. Cones are cone-shaped structures and are necessary for daylight vision. Unlike cones, rods are rod-like structures and are necessary for dim-light vision. Rods are far more numerous than cone cells.