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mel-nik [20]
3 years ago
9

Does anyone know this!?

Biology
2 answers:
Amiraneli [1.4K]3 years ago
4 0

Answer: The first one

Explanation:

s344n2d4d5 [400]3 years ago
3 0
The first one :)




Explanation:
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While observing a litter of puppies, Amy and Jose noticed that the puppies had a variety of black and white coat colors. They kn
White raven [17]

Explanation:

when dogs breed the mother and father each randomly contribute one allele from each locus giving each allele 50% chance of being passed down to the pups. one of the alleles at each locus is dominant and determines the traits like coat color

3 0
2 years ago
A man has extra digits (six fingers on each hand and six toes on each foot). His wife and their daughter have the normal number
Mnenie [13.5K]

Answer:

The correct answer is - option D. 1/2

Explanation:

Extra digits on hands and feet mean an individual has six fingers in each hand and feet, this is known as polydactyly. Polydactyly shows an autosomal dominant type of inheritance pattern.

In this case, the mother is normal so she must be recessive alleles and the first daughter is normal so the father must have a recessive allele which means he is heterozygous.

Cross:

Man = Dd

Woman = dd

Their children :

    D      d

d   Dd    dd  

d  Dd    dd

Probability of polydactyl child = 2/4 or 1/2 or 50%

6 0
3 years ago
does the changing seasons remove co2 from the air ? i think it might due to increased plant grwoth but im unsure.
MA_775_DIABLO [31]
I don't think changing seasons can REMOVE CO2 from the air, but I do think instead it could add it to the air. It's a long process that involves several ecosystems and stuff. But, as the climate is getting warmer, ice caps are melting and within these ice caps... there are trapped bubbles of CO2 that are released ( I am not sure if this adds a lot of CO2 to the atmosphere, but I am sure that it does contribute to CO2 concentration). 

In relation to your last statement... plant growth would actually reduce CO2 in the air because of the process of photosynthesis. Plants take in CO2 and give out O2 for us to breathe. In turn we conduct cellular respiration in which we take in the O2 and give out the CO2. So, plants are actually one good solution for decreasing CO2 levels. 
5 0
2 years ago
3. The diversity of organisms present on Earth is the result of--
alexgriva [62]
A. Ecosystem stability
8 0
3 years ago
How did receptors in the nose and on the tongue help our ancient ancestors survive?
Leni [432]

Answer:Our ancestors’ perception of taste was important for survival and thriving. Now researchers are trying to produce food with reduced calories or salt that remains palatable

Explanation:

Evolution of taste

Our ancestors had to seek out their food from the environment, and their perception of taste was important for survival and thriving. ... They work with foods that are being produced in a manner that reduces calories or salt or adds ingredients with potential health benefits from plants

7 0
3 years ago
Read 2 more answers
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